Kumar, N. (1997). Communication and management. Gyan.
Tohutoru Kātū Chicago (17th ed.)Kumar, Niraj. Communication and Management. New Delhi: Gyan, 1997.
Tohutoro MLA (9th ed.)Kumar, Niraj. Communication and Management. Gyan, 1997.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.