Cita APA (7a ed.)

Falla T. Tim. (2000). Headstart. Beginner: Workbook. Oxford, Oxford University Press, 2000.

Cita Chicago Style (17a ed.)

Falla T. Tim. Headstart. Beginner: Workbook. Oxford, Oxford University Press, 2000, 2000.

Cita MLA (9a ed.)

Falla T. Tim. Headstart. Beginner: Workbook. Oxford, Oxford University Press, 2000, 2000.