Cita APA (7a ed.)

Pearson, C. (1975). Getting down to business in English: Teachers' book 1. Heinemann.

Cita Chicago Style (17a ed.)

Pearson, Christopher. Getting Down to Business in English: Teachers' Book 1. London: Heinemann, 1975.

Cita MLA (8a ed.)

Pearson, Christopher. Getting Down to Business in English: Teachers' Book 1. Heinemann, 1975.