Cita APA (7a ed.)

Burton, G. (1994). Activities & assessment pack. Heinemann.

Cita Chicago Style (17a ed.)

Burton, George. Activities & Assessment Pack. Oxford: Heinemann, 1994.

Cita MLA (9a ed.)

Burton, George. Activities & Assessment Pack. Heinemann, 1994.

Precaución: Estas citas no son 100% exactas.