Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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