Raintree, J. B. (2002). Marketing research for conservaation and development. Hà Nội: [Hà Nội].
Chicago Style aipamenaRaintree, John B. Marketing Research for Conservaation and Development. Hà Nội: [Hà Nội], 2002.
MLA aipamenaRaintree, John B. Marketing Research for Conservaation and Development. Hà Nội: [Hà Nội], 2002.
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