Gopala Krishna, C., & Ramakrishnan, L. (2009). Business communication. Himalaya Pub. House.
Čikaški stil citiranja (17. izdanje)Gopala Krishna, C., i Lalitha Ramakrishnan. Business Communication. Mumbai: Himalaya Pub. House, 2009.
MLA način citiranja (9. izdanje)Gopala Krishna, C., i Lalitha Ramakrishnan. Business Communication. Himalaya Pub. House, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.