5.5 Rules for referencing sources

No matter what style of quotation you use, there are a few rules you should always keep in mind.


Place References in two places: your text and in the literature list

In your text​ you consistently refer to the source you have used. This ensures that it is clear when you are using external sources and which ones they are. Do you use the same source in different places in your text? Mention the source in all these places.
What a reference in the text looks like varies per style of quotation. These are the differences you will encounter:

Bron: E. Langhorst, Hogeschool Rotterdam
Example: APA quoting style. A reference in the text for a source with 3 authors: (Schmidt, Deelder, & Erasmus, 2018). If you mention this source again, do it like this: (Schmidt et al., 2018)
 

On your literature list you must include the full source listing of all the sources you have used. 

Bron: E. Langhorst, Hogeschool Rotterdam
Different types of material, different rules 

What your source reference looks like in the literature list differs per type of reference material. Keep in mind that a source reference for a book may therefore look slightly different from that for a video, image, or article. The number of authors of a source can also make a difference in how your reference should look. You can read what these differences are in the manual of your quotation style.