Campbell, B. G. (1967). Human evolution: An introduction to man's adaptations. London: Heinemann Educational Books.
Παραπομπή Chicago StyleCampbell, Bernard G. Human Evolution: An Introduction to Man's Adaptations. London: Heinemann Educational Books, 1967.
Παραπομπή MLACampbell, Bernard G. Human Evolution: An Introduction to Man's Adaptations. London: Heinemann Educational Books, 1967.
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