Dyfyniad APA

Hurlock, E. B. (1974). Developmental psychology (3rd ed.). Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Hurlock, Elizabeth B. Developmental Psychology. 3rd ed. New Delhi: Tata McGraw-Hill, 1974.

Dyfyniad MLA

Hurlock, Elizabeth B. Developmental Psychology. 3rd ed. Tata McGraw-Hill, 1974.

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