Zastrow Charles & Kirst-Ashman, K. K. (1990). Understanding human behavior and the social environment (Second edition.). Nelson-Hall Publishers.
Chicago Style (17. basım) AtıfZastrow Charles ve Karen Kay Kirst-Ashman. Understanding Human Behavior and the Social Environment. Second edition. Chicago: Nelson-Hall Publishers, 1990.
MLA (9th ed.) AtıfZastrow Charles ve Karen Kay Kirst-Ashman. Understanding Human Behavior and the Social Environment. Second edition. Nelson-Hall Publishers, 1990.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..