APA aipamena

Ward, A. (1996). Preparation PET and practice. Oxford: Oxford University Press.

Chicago Style aipamena

Ward, Ann. Preparation PET and Practice. Oxford: Oxford University Press, 1996.

MLA aipamena

Ward, Ann. Preparation PET and Practice. Oxford: Oxford University Press, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.