APA (7e ed.) Bronvermelding

Quigg, B., & Wisner, B. (1998). Selling the right way! Prentice Hall.

Chicago (17e ed.) Bronvermelding

Quigg, Brooke, en Bern Wisner. Selling the Right Way! Upper Saddle River, N.J.: Prentice Hall, 1998.

MLA (8e ed.) Bronvermelding

Quigg, Brooke, en Bern Wisner. Selling the Right Way! Prentice Hall, 1998.