APA aipamena

Nirmal Singh. (2008). Business communication: Principles, methods and techniques. Deep & Deep.

Chicago Style aipamena

Nirmal Singh. Business Communication: Principles, Methods and Techniques. New Delhi: Deep & Deep, 2008.

MLA aipamena

Nirmal Singh. Business Communication: Principles, Methods and Techniques. Deep & Deep, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.