Cita APA (7a ed.)

Dean, M., & Quillin, V. (1983). Passing first certificate English. Collins.

Cita Chicago Style (17a ed.)

Dean, Michael, y Viv Quillin. Passing First Certificate English. London: Collins, 1983.

Cita MLA (9a ed.)

Dean, Michael, y Viv Quillin. Passing First Certificate English. Collins, 1983.