APA Edition Citation

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

Chicago Edition Citation

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

MLA Edition Citation

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