Schwarz Friedhelm. (2002). Nestlé: The secrets of food, trust, and globalization. Key Porter Books Ptd.
Chicago-čujuhus (17. p.)Schwarz Friedhelm. Nestlé: The Secrets of Food, Trust, and Globalization. Canada: Key Porter Books Ptd, 2002.
MLA-čujuhus (9. p.)Schwarz Friedhelm. Nestlé: The Secrets of Food, Trust, and Globalization. Key Porter Books Ptd, 2002.
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