APA aipamena

(1996). Writers choice: Grammar and Compsitioon -Texas Edition ( Course 11).

Chicago Style aipamena

Writers Choice: Grammar and Compsitioon -Texas Edition ( Course 11). 1996.

MLA aipamena

Writers Choice: Grammar and Compsitioon -Texas Edition ( Course 11). 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.