Cita APA (7a ed.)

Gude K. Kathy & Wildman J. Jayne. (2002). Matrix. Upper-Intermediate: Student's Book (3-rd ed.). New York, Oxford University Press, 2002.

Cita Chicago Style (17a ed.)

Gude K. Kathy y Wildman J. Jayne. Matrix. Upper-Intermediate: Student's Book. 3-rd ed. New York, Oxford University Press, 2002, 2002.

Cita MLA (9a ed.)

Gude K. Kathy y Wildman J. Jayne. Matrix. Upper-Intermediate: Student's Book. 3-rd ed. New York, Oxford University Press, 2002, 2002.