Lua APA (7ú heag.)
Terpstra, V., & David, K. H. (1985). The cultural environment of international business (2nd ed.). South-Western Pub. Co..
Lua i Stíl Chicago (17ú heag.)
Terpstra, Vern, agus Kenneth H. David. The Cultural Environment of International Business. 2nd ed. Cincinnati: South-Western Pub. Co., 1985.
Lua MLA (9ú heag.)
Terpstra, Vern, agus Kenneth H. David. The Cultural Environment of International Business. 2nd ed. South-Western Pub. Co., 1985.
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