APA aipamena

(1995). Earth's Eleventh Haour. Allyn and Bacon.

Chicago Style aipamena

Earth's Eleventh Haour. Allyn and Bacon, 1995.

MLA aipamena

Earth's Eleventh Haour. Allyn and Bacon, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.