Cita APA

Trappe, T., & Tullis, G. (2017). Intelligent business coursebook: Upper intermediate. China: Pearson.

Chicago Style Citation

Trappe, Tonya, i Graham Tullis. Intelligent Business Coursebook: Upper Intermediate. China: Pearson, 2017.

Cita MLA

Trappe, Tonya, i Graham Tullis. Intelligent Business Coursebook: Upper Intermediate. China: Pearson, 2017.

Atenció: Aquestes cites poden no estar 100% correctes.