Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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