Cita APA (7a ed.)

Macfarlane, M., & Walenn, J. (1992). Passport to Cambridge certificate in advanced english. Macmillan.

Cita Chicago Style (17a ed.)

Macfarlane, Michael, y Jeremy Walenn. Passport to Cambridge Certificate in Advanced English. London: Macmillan, 1992.

Cita MLA (8a ed.)

Macfarlane, Michael, y Jeremy Walenn. Passport to Cambridge Certificate in Advanced English. Macmillan, 1992.