Cita APA (7a ed.)

Hinton, M., & Marsden, R. (1985). Options advanced english: Students' book (1a edición.). Nelson.

Cita Chicago Style (17a ed.)

Hinton, Michael, y Robert Marsden. Options Advanced English: Students' Book. 1a edición. Surrey: Nelson, 1985.

Cita MLA (9a ed.)

Hinton, Michael, y Robert Marsden. Options Advanced English: Students' Book. 1a edición. Nelson, 1985.