APA aipamena

Wilson, K., & Healy, T. (2007). First choice: Student Book. Oxford: Oxford Univ. Press.

Chicago Style aipamena

Wilson, Ken, và Thomas Healy. First Choice: Student Book. Oxford: Oxford Univ. Press, 2007.

MLA aipamena

Wilson, Ken, và Thomas Healy. First Choice: Student Book. Oxford: Oxford Univ. Press, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.