Day, M. H., & Day, M. H. (1977). Guide to fossil man: A handbook of human palaeontology (3. edition completely rev. and enl.). Chicago: University of Chicago Press.
Citación estilo ChicagoDay, Michael H., y Michael H. Day. Guide to Fossil Man: A Handbook of Human Palaeontology. 3. edition completely rev. and enl. Chicago: University of Chicago Press, 1977.
Cita MLADay, Michael H., y Michael H. Day. Guide to Fossil Man: A Handbook of Human Palaeontology. 3. edition completely rev. and enl. Chicago: University of Chicago Press, 1977.
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