APA-referens (7:e uppl.)

Tiwari, R. (2006). Business Communication. Pointer.

Chicago-referens (17:e uppl.)

Tiwari, Ramesh. Business Communication. Jaipur: Pointer, 2006.

MLA-referens (9:e uppl.)

Tiwari, Ramesh. Business Communication. Pointer, 2006.