APA aipamena

Collins, P. (1998). English grammar. Melbourne: Addison Wesley Longman.

Chicago Style aipamena

Collins, Peter. English Grammar. Melbourne: Addison Wesley Longman, 1998.

MLA aipamena

Collins, Peter. English Grammar. Melbourne: Addison Wesley Longman, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.