Citazione Stile APA (7a Edizione)

Lawday, C. I-Spy: Course Book 3 (1a. ed.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Lawday, Cathy. I-Spy: Course Book 3. 1a. ed. New York: Oxford University Press.

Citatione MLA (9a ed.)

Lawday, Cathy. I-Spy: Course Book 3. 1a. ed. Oxford University Press.