Sears, P. B. (1964). The biology of the living landscape: An introduction to ecology. The Scientific Club.
Chicago-viite (17. p.)Sears, Paul B. The Biology of the Living Landscape: An Introduction to Ecology. London: The Scientific Club, 1964.
MLA-viite (9. p.)Sears, Paul B. The Biology of the Living Landscape: An Introduction to Ecology. The Scientific Club, 1964.
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