Race, P. (2000). 500 tips on group learning. Kogan Page.
Chicago Style aipamenaRace, Phil. 500 Tips on Group Learning. London: Kogan Page, 2000.
MLA aipamenaRace, Phil. 500 Tips on Group Learning. Kogan Page, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.