R C Gifford. (1991). FAO agricultural servicies bulletin Vol.45: Agricultural mechanization in development: guidelines for stategy formulation. Rome: FAO.
シカゴスタイル引用形R C Gifford. FAO Agricultural Servicies Bulletin Vol.45: Agricultural Mechanization in Development: Guidelines for Stategy Formulation. Rome: FAO, 1991.
MLA引用形式R C Gifford. FAO Agricultural Servicies Bulletin Vol.45: Agricultural Mechanization in Development: Guidelines for Stategy Formulation. Rome: FAO, 1991.
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