Dyfyniad APA

Hoffben, L. (1988). Developmental psychology today. New York: Random House.

Dyfyniad Arddull Chicago

Hoffben, Lois. Developmental Psychology Today. New York: Random House, 1988.

Dyfyniad MLA

Hoffben, Lois. Developmental Psychology Today. New York: Random House, 1988.

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