Citazione Stile APA (7a Edizione)

Costello, E., & Lehman, L. A. (1995). Signing: How to speak with your hands (Rev. ed.). Bantam Books.

Citazione stile Chigago Style (17a edizione)

Costello, Elaine, e Lois A. Lehman. Signing: How to Speak with Your Hands. Rev. ed. Toronto, Ont: Bantam Books, 1995.

Citatione MLA (9a ed.)

Costello, Elaine, e Lois A. Lehman. Signing: How to Speak with Your Hands. Rev. ed. Bantam Books, 1995.