APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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