International Potato Center. (2003). Conservation and sustainable use of agricultural biodiversity: A sourcebook. Philippines: CIP-UPWARD.
Chicago-tyylinen lähdeviittausInternational Potato Center. Conservation and Sustainable Use of Agricultural Biodiversity: A Sourcebook. Philippines: CIP-UPWARD, 2003.
MLA-viiteInternational Potato Center. Conservation and Sustainable Use of Agricultural Biodiversity: A Sourcebook. Philippines: CIP-UPWARD, 2003.
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