Human Behavior and Evolution Society. (1979). Ethology and Sociobiology. Elsevier Science.
Citação do estilo Chicago (17ª ed.)Human Behavior and Evolution Society. Ethology and Sociobiology. New York: Elsevier Science, 1979.
Citação MLA (8ª ed.)Human Behavior and Evolution Society. Ethology and Sociobiology. Elsevier Science, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.