Cita APA (7a ed.)

Greenall, S. (1998). Reward: Pre-intermediate. Macmillan Heinemann.

Cita Chicago Style (17a ed.)

Greenall, Simon. Reward: Pre-intermediate. Oxford: Macmillan Heinemann, 1998.

Cita MLA (8a ed.)

Greenall, Simon. Reward: Pre-intermediate. Macmillan Heinemann, 1998.