Kaul, A. (2015). Effective Business Communication (2nd.). PHI.
Cita Chicago (17th ed.)Kaul, Asha. Effective Business Communication. 2nd. Delhi: PHI, 2015.
Cita MLA (9th ed.)Kaul, Asha. Effective Business Communication. 2nd. PHI, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.