APA aipamena

Harris, T. A. (2012). I'm Ok, You're Ok. Arrow Books.

Chicago Style aipamena

Harris, Thomas A. I'm Ok, You're Ok. London: Arrow Books, 2012.

MLA aipamena

Harris, Thomas A. I'm Ok, You're Ok. Arrow Books, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.