APA (7th ed.) Citation

Verma, R. K. A complete book of business letters. Gaurav Pub.

Chicago Style (17th ed.) Citation

Verma, Rakesh K. A Complete Book of Business Letters. New Delhi: Gaurav Pub.

MLA (9th ed.) Citation

Verma, Rakesh K. A Complete Book of Business Letters. Gaurav Pub.

Warning: These citations may not always be 100% accurate.