Dyfyniad APA

Hughes, D. T. D., & Marshall, P. T. (1970). Human health, biology, and hygiene. Cambridge University press.

Dyfyniad Arddull Chicago

Hughes, David Treharne Dillon, and P. T. Marshall. Human Health, Biology, and Hygiene. London: Cambridge University press, 1970.

Dyfyniad MLA

Hughes, David Treharne Dillon, and P. T. Marshall. Human Health, Biology, and Hygiene. Cambridge University press, 1970.

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