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