APA
Singh N., . (2006). Business communication : principles, methods and techniques. Deep & Deep Publications, New Delhi: .
Chicago
Singh Nirmal, . 2006. Business communication : principles, methods and techniques. Deep & Deep Publications, New Delhi: .
Harvard
Singh N., . (2006). Business communication : principles, methods and techniques. Deep & Deep Publications, New Delhi: .
MLA
Singh Nirmal, . Business communication : principles, methods and techniques. Deep & Deep Publications, New Delhi: . 2006.