Cryer,Pat. (1999). The research Student's guide to success. Viva Books.
Chicago Style aipamenaCryer,Pat. The Research Student's Guide to Success. UK: Viva Books, 1999.
MLA aipamenaCryer,Pat. The Research Student's Guide to Success. Viva Books, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.