FAO. (1997). International standards for phytosanitary measures Part 1: Important regulations; Guidelines for pest risk analysis. Rome: FAO.
Chicago-tyylinen lähdeviittausFAO. International Standards for Phytosanitary Measures Part 1: Important Regulations; Guidelines for Pest Risk Analysis. Rome: FAO, 1997.
MLA-viiteFAO. International Standards for Phytosanitary Measures Part 1: Important Regulations; Guidelines for Pest Risk Analysis. Rome: FAO, 1997.
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