APA aipamena

Sells, S. (1962). Essentials of psychology. New York: The Ronald Press Company.

Chicago Style aipamena

Sells, S.B. Essentials of Psychology. New York: The Ronald Press Company, 1962.

MLA aipamena

Sells, S.B. Essentials of Psychology. New York: The Ronald Press Company, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.