Cita APA (7th ed.)
(1995). Psychological research methods and statistics. Longman.
Cita Chicago (17th ed.)
Psychological Research Methods and Statistics. New York: Longman, 1995.
Cita MLA (9th ed.)
Psychological Research Methods and Statistics. Longman, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.