Cita APA (7th ed.)

Oxenden C. Clive, Latham-Koenig C. Christina, & Hamilton G. Gill. (1999). English File. Intermediate: Workbook without key. Oxford, Oxford University Press, 1999.

Cita Chicago (17th ed.)

Oxenden C. Clive, Latham-Koenig C. Christina, i Hamilton G. Gill. English File. Intermediate: Workbook Without Key. Oxford, Oxford University Press, 1999, 1999.

Cita MLA (9th ed.)

Oxenden C. Clive, et al. English File. Intermediate: Workbook Without Key. Oxford, Oxford University Press, 1999, 1999.