APA aipamena

(1989). Cambridge proficiency examination practice 3. Cambridge, UK: Cambridge Univ. Press.

Chicago Style aipamena

Cambridge Proficiency Examination Practice 3. Cambridge, UK: Cambridge Univ. Press, 1989.

MLA aipamena

Cambridge Proficiency Examination Practice 3. Cambridge, UK: Cambridge Univ. Press, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.