Cita APA (7th ed.)
Sigband, N. B. (1969). Communication for management and business. Scott, Foresman.
Cita Chicago (17th ed.)
Sigband, Norman B. Communication for Management and Business. Illinois: Scott, Foresman, 1969.
Cita MLA (9th ed.)
Sigband, Norman B. Communication for Management and Business. Scott, Foresman, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.