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.