APA aipamena

Waldroop, J. (2000). The 12 Bad Habits. Doubleday.

Chicago Style aipamena

Waldroop, James. The 12 Bad Habits. New York: Doubleday, 2000.

MLA aipamena

Waldroop, James. The 12 Bad Habits. Doubleday, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.