APA aipamena

United States of American. (2002). All Star: Student Book Bk. 2. NewYork: Mc Graw-Hill.

Chicago Style aipamena

United States of American. All Star: Student Book Bk. 2. NewYork: Mc Graw-Hill, 2002.

MLA aipamena

United States of American. All Star: Student Book Bk. 2. NewYork: Mc Graw-Hill, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.