BALAN, K. R. (1996). EFFECTIVE COMMUNICATION. BEACON BOOKS.
Cita Chicago (17th ed.)BALAN, K R. EFFECTIVE COMMUNICATION. NEW DELHI: BEACON BOOKS, 1996.
Cita MLA (9th ed.)BALAN, K R. EFFECTIVE COMMUNICATION. BEACON BOOKS, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.