Dyfyniad APA

Lefrancois, G. R. (1995). Of children: An introduction to child development (8th ed.). Wadsworth.

Dyfyniad Arddull Chicago

Lefrancois, Guy R. Of Children: An Introduction to Child Development. 8th ed. Belmont: Wadsworth, 1995.

Dyfyniad MLA

Lefrancois, Guy R. Of Children: An Introduction to Child Development. 8th ed. Wadsworth, 1995.

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