William A. Geering. (2002). Preparation of foot and mouth disease contingency plans. Rome, Italy: FAO.
シカゴスタイル引用形William A. Geering. Preparation of Foot and Mouth Disease Contingency Plans. Rome, Italy: FAO, 2002.
MLA引用形式William A. Geering. Preparation of Foot and Mouth Disease Contingency Plans. Rome, Italy: FAO, 2002.
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