Styl cytowania APA

Biswal, D., Jena, B. K., & Rao, J. K. (1980). commercial correspondence. Kalyani publishers.

Styl cytowania Chicago

Biswal, D., B K. Jena, i J K. Rao. Commercial Correspondence. New Delhi: Kalyani publishers, 1980.

Styl cytowania MLA

Biswal, D., et al. Commercial Correspondence. Kalyani publishers, 1980.