Brierty, E. G., Eckles, R. W., & Reeder, R. R. (1998). Business marketing (3rd ed.). Prentice-Hall.
Cita Chicago (17th ed.)Brierty, Edward G., Robert W. Eckles, i Robert R. Reeder. Business Marketing. 3rd ed. Upper Saddle River, N.J: Prentice-Hall, 1998.
Cita MLA (9th ed.)Brierty, Edward G., et al. Business Marketing. 3rd ed. Prentice-Hall, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.