Longres, J. F. (1990). Human behavior in the social environment. F.E. Peacock Publishes, Inc.
Lua i Stíl Chicago (17ú heag.)Longres, John F. Human Behavior in the Social Environment. Itasca, Illinois: F.E. Peacock Publishes, Inc, 1990.
Lua MLA (9ú heag.)Longres, John F. Human Behavior in the Social Environment. F.E. Peacock Publishes, Inc, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.