Dyfyniad APA

Harrison, G. A. (1964). Human biology: An introduction to human evolution variation and growth. Oxford University.

Dyfyniad Arddull Chicago

Harrison, G. A. Human Biology: An Introduction to Human Evolution Variation and Growth. London: Oxford University, 1964.

Dyfyniad MLA

Harrison, G. A. Human Biology: An Introduction to Human Evolution Variation and Growth. Oxford University, 1964.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.