APA aipamena

Schuyler, D. (2014). Coping With Helplessness. Physicians Postgraduate Press, Inc.

Chicago Style aipamena

Schuyler, Dean. Coping With Helplessness. Physicians Postgraduate Press, Inc, 2014.

MLA aipamena

Schuyler, Dean. Coping With Helplessness. Physicians Postgraduate Press, Inc, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.