Ayala, F. J., & Valentine, J. W. (1979). Evolving: The theory and processes of organic evolution. The Benjamin/ Cummings.
Chicago Style (17. basım) AtıfAyala, Francisco Jase, ve James W. Valentine. Evolving: The Theory and Processes of Organic Evolution. Menlo Park, Calif: The Benjamin/ Cummings, 1979.
MLA (9th ed.) AtıfAyala, Francisco Jase, ve James W. Valentine. Evolving: The Theory and Processes of Organic Evolution. The Benjamin/ Cummings, 1979.
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