Bhatnagar, P. (2008). Written communication. Rajat Publications.
Chicagoスタイル(17版)引用形式Bhatnagar, Piyush. Written Communication. New Delhi: Rajat Publications, 2008.
MLA(9版)引用形式Bhatnagar, Piyush. Written Communication. Rajat Publications, 2008.
警告: この引用は必ずしも正確ではありません.