APA aipamena

Ward Haugh, R. (2003). Understanding English grammar: A linguistic approach (2.). Blackwell.

Chicago Style aipamena

Ward Haugh, Ronald. Understanding English Grammar: A Linguistic Approach. 2. USA: Blackwell, 2003.

MLA aipamena

Ward Haugh, Ronald. Understanding English Grammar: A Linguistic Approach. 2. Blackwell, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.