(1971). encyclopaedia of natural history and ecology: Forest and meadow life. HS Stuttman.
シカゴスタイル引用形Encyclopaedia of Natural History and Ecology: Forest and Meadow Life. New York: HS Stuttman, 1971.
MLA引用形式Encyclopaedia of Natural History and Ecology: Forest and Meadow Life. HS Stuttman, 1971.
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