Styl cytowania APA

Urmila Rai & Rai, S. (2001). Business communication (2nd rev. ed.). Himalaya Publishing House.

Styl cytowania Chicago

Urmila Rai i S.M Rai. Business Communication. 2nd rev. ed. Mumbai: Himalaya Publishing House, 2001.

Styl cytowania MLA

Urmila Rai i S.M Rai. Business Communication. 2nd rev. ed. Himalaya Publishing House, 2001.