APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

Tiwari, Ramesh. Business Communication. Pointer, 2006.