Lua APA (7ú heag.)
Sundaram, A. K., & J. Stewart Black. (2007). The International business environment: Text and cases. Prentice Hall of India.
Lua i Stíl Chicago (17ú heag.)
Sundaram, Anant K., agus J. Stewart Black. The International Business Environment: Text and Cases. New Delhi: Prentice Hall of India, 2007.
Lua MLA (9ú heag.)
Sundaram, Anant K., agus J. Stewart Black. The International Business Environment: Text and Cases. Prentice Hall of India, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.