Kaul,Asha, & Kaul, A. (2008). Effective Business communication. Prentice Hall of India.
Citazione stile Chigago Style (17a edizione)Kaul,Asha, e Asha Kaul. Effective Business Communication. New Delhi: Prentice Hall of India, 2008.
Citatione MLA (9a ed.)Kaul,Asha, e Asha Kaul. Effective Business Communication. Prentice Hall of India, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.