APA (7th ed.) Zitazioa

Zastrow Charles & Kirst-Ashman, K. K. (1990). Understanding human behavior and the social environment (Second edition.). Nelson-Hall Publishers.

Chicago Style (17th ed.) Zitazioa

Zastrow Charles eta Karen Kay Kirst-Ashman. Understanding Human Behavior and the Social Environment. Second edition. Chicago: Nelson-Hall Publishers, 1990.

MLA (9th ed.) Zitazioa

Zastrow Charles eta Karen Kay Kirst-Ashman. Understanding Human Behavior and the Social Environment. Second edition. Nelson-Hall Publishers, 1990.