Main vs additional sources
it gives first-hand testimony of a concept, shows initial information, or papers an event that is historical. These include a study in a log, an image, documentary footage, or an meeting.
A additional supply relays information, providing interpretation and analysis of various other cited source. It is according to main sources. For example publications & articles that discuss information gathered off their sources. Encyclopedias autumn in this category, since they just contain brief overviews of a topic that are often further removed from primary sources than the typical book or article though you may hear some people refer to these as tertiary sources.
Here is another option to consider it: think about what style of information you are ‘mining’ from the supply. Then ask: Is this the place that is first idea or reality appears, or achieved it begin somewhere else?
Instance: you are reading guide regarding the movie resident Kane. You quote a phrase in regards to the administration abilities of Orson Welles (the manager). These details includes a citation close to it – as it happens, this known reality originates from interviews for the cast and crew that has been posted in a mag through the 40’s. Continue reading