APA (7th ed.) Zitazioa

Atlen, W. (1997). Living English Structure with Angwer Key (5th ed.). Orient Longman.

Chicago Style (17th ed.) Zitazioa

Atlen, W.Stannard. Living English Structure with Angwer Key. 5th ed. Hyderabad: Orient Longman, 1997.

MLA (9th ed.) Zitazioa

Atlen, W.Stannard. Living English Structure with Angwer Key. 5th ed. Orient Longman, 1997.