Citazione Stile APA (7a Edizione)

Hoff, E. (2009). Language development (4th ed.). Wadsworth/Thomson Learning.

Citazione stile Chigago Style (17a edizione)

Hoff, Erika. Language Development. 4th ed. Belmont, CA: Wadsworth/Thomson Learning, 2009.

Citatione MLA (9a ed.)

Hoff, Erika. Language Development. 4th ed. Wadsworth/Thomson Learning, 2009.