(1989). Training resource book for Agro-ecosystem mapping. Philippines: IRRI.
シカゴスタイル引用形Training Resource Book for Agro-ecosystem Mapping. Philippines: IRRI, 1989.
MLA引用形式Training Resource Book for Agro-ecosystem Mapping. Philippines: IRRI, 1989.
警告: この引用は必ずしも正確ではありません.