Longres, J. F. (1990). Human behavior in the social environment. F.E. Peacock Publishers.
Lua i Stíl Chicago (17ú heag.)Longres, John F. Human Behavior in the Social Environment. Itasca, Ill.: F.E. Peacock Publishers, 1990.
Lua MLA (8ú heag.)Longres, John F. Human Behavior in the Social Environment. F.E. Peacock Publishers, 1990.
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