Colgan, P. W. (1978). Quantitative ethology. John Wiley and sons.
Dyfyniad Arddull ChicagoColgan, Patrick W. Quantitative Ethology. New York: John Wiley and sons, 1978.
Dyfyniad MLAColgan, Patrick W. Quantitative Ethology. John Wiley and sons, 1978.
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