Citazione Stile APA (7a Edizione)

Clandfield, L. (2006). Straightforward: Elementary. Student's book (1a. ed.). Macmillan Education.

Citazione stile Chigago Style (17a edizione)

Clandfield, Lindsay. Straightforward: Elementary. Student's Book. 1a. ed. Oxford: Macmillan Education, 2006.

Citatione MLA (9a ed.)

Clandfield, Lindsay. Straightforward: Elementary. Student's Book. 1a. ed. Macmillan Education, 2006.