Citazione Stile APA (7a Edizione)

Betti, C. (1986). Drawing: A contemporary approach (2nd ed.). Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Betti, Claudia. Drawing: A Contemporary Approach. 2nd ed. New York: Holt, Rinehart and Winston, 1986.

Citatione MLA (9a ed.)

Betti, Claudia. Drawing: A Contemporary Approach. 2nd ed. Holt, Rinehart and Winston, 1986.