Cita APA (7a ed.)

Trappe, T., Tullis, G., Pile, L., Lowe, S., & Johnson, C. (2005). Intelligent business: Intermediate business English. Pearson Education.

Cita Chicago Style (17a ed.)

Trappe, Tonya, Graham Tullis, Louise Pile, Susan Lowe, y Christine Johnson. Intelligent Business: Intermediate Business English. Harlow: Pearson Education, 2005.

Cita MLA (9a ed.)

Trappe, Tonya, et al. Intelligent Business: Intermediate Business English. Pearson Education, 2005.