English version

secondary source

From Longman Dictionary of Contemporary Englishsecondary sourceˌsecondary ˈsource noun [countable]  a book, article etc that analyses something such as a piece of literature or a historical event and that can be used to support your ideas in an essay
Examples from the Corpus
secondary sourceThe emphasis is on interpretation and evaluation of a variety of primary and secondary source material.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.