Chappell, R. T., & Read, W. L. (1988). Business and communication (5th ed.). Pitman.
Cita Chicago (17th ed.)Chappell, R. T., i W. L. Read. Business and Communication. 5th ed. London: Pitman, 1988.
Cita MLA (9th ed.)Chappell, R. T., i W. L. Read. Business and Communication. 5th ed. Pitman, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.