A diary is often considered a primary source for studying historical events.
Un diario se considera a menudo una fuente primaria para estudiar eventos históricos.
A first-hand account of the event is considered the most reliable primary source.
Un relato de primera mano del evento se considera la fuente primaria más confiable.
Before long, renewable energy will be the primary source of electricity.
Many island state nations rely on fishing as a primary source of sustenance.
Muchas naciones insulares dependen de la pesca como principal fuente de sustento.
Many families rely on dairy farming as their primary source of income and livelihood.
Muchas familias dependen de la lechería como su fuente principal de ingresos y sustento.
Something tells me you're the primary source for this story.
In ancient times, an apothecary was the primary source of medicine and healing.
En tiempos antiguos, el boticario era la principal fuente de medicina y curación.
A book written during the era is a helpful primary source for cultural context.
Un libro escrito durante la época es una fuente primaria útil para el contexto cultural.
A speech given by a historical leader is an essential primary source for analysis.
Un discurso dado por un líder histórico es una fuente primaria esencial para el análisis.
The primary source for children to develop integrity is their family.
La fuente principal para que los niños desarrollen integridad es su familia.
This catalog is also considered as the primary source of information.
Este catálogo también es considerado como la fuente primaria de la información.
In many regions, rainwater is the primary source of irrigation water.
En muchas regiones, el agua de lluvia es la principal fuente de agua para riego.
In some regions, beef cattle are a primary source of livelihood.
En algunas regiones, el ganado de carne es una fuente principal de sustento.