There are multiple pages of websites to help non-native English speakers in their process of research and produce scientific texts. Pages like these not only will help you with the study of this subject but also will give you some ideas about how to improve your writing style when elaborating your TFG and other academic essays.
This website has been created by people from the University of Oslo and other partners ann deals with four key research elements:
4. sources and referencing
I encourage you to go through some of the topics we have studies on this subject and I recommend you to keep it marked so that you can go back and consult it later anytime you need it.