Dyfyniad APA

Dewey, R., & Humber, W. J. (1951). The development of human behavior. Macmillan.

Dyfyniad Arddull Chicago

Dewey, Richard, and Wilbur J. Humber. The Development of Human Behavior. New York: Macmillan, 1951.

Dyfyniad MLA

Dewey, Richard, and Wilbur J. Humber. The Development of Human Behavior. Macmillan, 1951.

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