HAWLEY, A. H. (1950). Human Ecology A Theory Of Community Structure Amos H.hawley. The Ronald Press Company.
Lua i Stíl Chicago (17ú heag.)HAWLEY, Amos H. Human Ecology A Theory Of Community Structure Amos H.hawley. The Ronald Press Company, 1950.
Lua MLA (8ú heag.)HAWLEY, Amos H. Human Ecology A Theory Of Community Structure Amos H.hawley. The Ronald Press Company, 1950.
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