APA aipamena

Albom, M. (2012). Time keeper. Sphere.

Chicago Style aipamena

Albom, Mitch. Time Keeper. London: Sphere, 2012.

MLA aipamena

Albom, Mitch. Time Keeper. Sphere, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.