Humphreys, L. R. (1978). Tropical pastures and fodder crops. Longman Group Ltd.
シカゴスタイル引用形Humphreys, L R. Tropical Pastures and Fodder Crops. London: Longman Group Ltd, 1978.
MLA引用形式Humphreys, L R. Tropical Pastures and Fodder Crops. Longman Group Ltd, 1978.
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