Terpstra, V., & Sarathy, R. (1993). International marketing (3rd ed.). The Dryden Press.
Lua i Stíl Chicago (17ú heag.)Terpstra, Vern, agus Ravi Sarathy. International Marketing. 3rd ed. Fort Worth: The Dryden Press, 1993.
Lua MLA (9ú heag.)Terpstra, Vern, agus Ravi Sarathy. International Marketing. 3rd ed. The Dryden Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.