Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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