Kaul, A. (2015). Effective Business Communication (2nd.). PHI.
Citazione stile Chigago Style (17a edizione)Kaul, Asha. Effective Business Communication. 2nd. Delhi: PHI, 2015.
Citatione MLA (9a ed.)Kaul, Asha. Effective Business Communication. 2nd. PHI, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.