American, P. A. (2002). Publication Manual of the American Psychological Association. Pustaka sinar harapan.
Cita Chicago (17th ed.)American, Psychological Association. Publication Manual of the American Psychological Association. Pustaka sinar harapan, 2002.
Cita MLA (9th ed.)American, Psychological Association. Publication Manual of the American Psychological Association. Pustaka sinar harapan, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.