Dyfyniad APA

Child study association of America, inc, & Gruenberg, B. C. 1. . . e. (1926). Guidance of childhood and youth; readings in child study, compiled by Child Association of America. Macmillan.

Dyfyniad Arddull Chicago

Child study association of America, inc, and Benjamin Charles 1875- ed Gruenberg. Guidance of Childhood and Youth; Readings in Child Study, Compiled by Child Association of America. New York: Macmillan, 1926.

Dyfyniad MLA

Child study association of America, inc, and Benjamin Charles 1875- ed Gruenberg. Guidance of Childhood and Youth; Readings in Child Study, Compiled by Child Association of America. Macmillan, 1926.

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