Cita APA (7th ed.)

Berger, R. L. (1982). Human behavior: A perpective for the helping professions (2ª ed.). Longman.

Cita Chicago (17th ed.)

Berger, Robert L. Human Behavior: A Perpective for the Helping Professions. 2ª ed. Longman, 1982.

Cita MLA (9th ed.)

Berger, Robert L. Human Behavior: A Perpective for the Helping Professions. 2ª ed. Longman, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.