United Nations. Economic and Social Commission for Asia and the Pacific & Hein, J. F. (1979). Guide to the market of the Federal Republic of Germany: A marketing aid for Asian exporters. UNESCAP.
Lua i Stíl Chicago (17ú heag.)United Nations. Economic and Social Commission for Asia and the Pacific agus Juergen F. Hein. Guide to the Market of the Federal Republic of Germany: A Marketing Aid for Asian Exporters. Bangkok: UNESCAP, 1979.
Lua MLA (9ú heag.)United Nations. Economic and Social Commission for Asia and the Pacific agus Juergen F. Hein. Guide to the Market of the Federal Republic of Germany: A Marketing Aid for Asian Exporters. UNESCAP, 1979.
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