APA aipamena

Marrtin. (1998). Pronunciation Plus Practice through interation (0 521 57797 7). Cambridge.

Chicago Style aipamena

Marrtin. Pronunciation Plus Practice Through Interation (0 521 57797 7). Cambridge, 1998.

MLA aipamena

Marrtin. Pronunciation Plus Practice Through Interation (0 521 57797 7). Cambridge, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.