Παραπομπή APA

Diwan, P., & Aggrawal, L. (1997). Business communication. Excel books.

Παραπομπή Chicago Style

Diwan, Parag, και L.N Aggrawal. Business Communication. New Delhi: Excel books, 1997.

Παραπομπή MLA

Diwan, Parag, και L.N Aggrawal. Business Communication. Excel books, 1997.