Cita APA (7th ed.)
Sigband, N. B., & Bell, A. H. (1989). Communication for management and business (5th ed.). Scott, Foresman.
Cita Chicago (17th ed.)
Sigband, Norman B., i Arthur H. Bell. Communication for Management and Business. 5th ed. Glenview, Ill.: Scott, Foresman, 1989.
Cita MLA (9th ed.)
Sigband, Norman B., i Arthur H. Bell. Communication for Management and Business. 5th ed. Scott, Foresman, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.