Ptak, S. E., & Lachmann, M. On the evolution of polygyny: A theoretical examination of the polygyny threshold model.
استشهاد بنمط شيكاغوPtak, Susan E., و Michael Lachmann. On the Evolution of Polygyny: A Theoretical Examination of the Polygyny Threshold Model.
MLA استشهادPtak, Susan E., و Michael Lachmann. On the Evolution of Polygyny: A Theoretical Examination of the Polygyny Threshold Model.
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