Gopala Krishna, C., & Ramakrishnan, L. (2009). Business communication. Himalaya Pub. House.
Citazione stile Chigago Style (17a edizione)Gopala Krishna, C., e Lalitha Ramakrishnan. Business Communication. Mumbai: Himalaya Pub. House, 2009.
Citatione MLA (9a ed.)Gopala Krishna, C., e Lalitha Ramakrishnan. Business Communication. Himalaya Pub. House, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.