Dyfyniad APA

Underwood, J. (1975). Biocultural interactions and human variation. W.M.C Brown Company.

Dyfyniad Arddull Chicago

Underwood, Jane. Biocultural Interactions and Human Variation. NULL: W.M.C Brown Company, 1975.

Dyfyniad MLA

Underwood, Jane. Biocultural Interactions and Human Variation. W.M.C Brown Company, 1975.

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