Dyfyniad APA

Child Development Program. (1970). Home and School StudyGuuide. Grolier.

Dyfyniad Arddull Chicago

Child Development Program. Home and School StudyGuuide. New York: Grolier, 1970.

Dyfyniad MLA

Child Development Program. Home and School StudyGuuide. Grolier, 1970.

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