Dyfyniad APA

Huyck, M. H., & Hoyer, W. J. (1982). Adult development and aging. Wadsworth Wadsworth.

Dyfyniad Arddull Chicago

Huyck, Margaret H., and William J. Hoyer. Adult Development and Aging. California: Wadsworth Wadsworth, 1982.

Dyfyniad MLA

Huyck, Margaret H., and William J. Hoyer. Adult Development and Aging. Wadsworth Wadsworth, 1982.

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