Sagar, G. (1977). Origin of pest, parasite,diseases and weed problems. Blackwell Scientific Publication.
シカゴスタイル引用形Sagar, G.R. Origin of Pest, Parasite,diseases and Weed Problems. Oxford: Blackwell Scientific Publication, 1977.
MLA引用形式Sagar, G.R. Origin of Pest, Parasite,diseases and Weed Problems. Blackwell Scientific Publication, 1977.
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