Cita APA (7a ed.)

Pile, L. (2006). Intelligent Business: Workbook intermediate business english (2a. ed.). Longman.

Cita Chicago Style (17a ed.)

Pile, Louise. Intelligent Business: Workbook Intermediate Business English. 2a. ed. Essex: Longman, 2006.

Cita MLA (9a ed.)

Pile, Louise. Intelligent Business: Workbook Intermediate Business English. 2a. ed. Longman, 2006.