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Lua i Stíl Chicago (17ú heag.)Terpstra, Vern, M. Y. Yoshino, A. A. Sherbini, agus Bertil Liander. Comparative Analysis for International Marketing. Boston: Allyn and Bacon, 1967.
Lua MLA (9ú heag.)Terpstra, Vern, et al. Comparative Analysis for International Marketing. Allyn and Bacon, 1967.
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