Hawley, A. H. (1950). Human ecology: A theory of community structure. Ronald Press Co.
Chicago-čujuhus (17. p.)Hawley, Amos Henry. Human Ecology: A Theory of Community Structure. New York: Ronald Press Co, 1950.
MLA-čujuhus (9. p.)Hawley, Amos Henry. Human Ecology: A Theory of Community Structure. Ronald Press Co, 1950.
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