Engels, J. M., Bartley, B. G., & Enríquez, G. A. (1979). Cocoa descriptors, their states and modus operandi.
シカゴスタイル引用形Engels, Jon M.M., Basil G.D Bartley, , Gustavo A. Enríquez. Cocoa Descriptors, Their States and Modus Operandi. 1979.
MLA引用形式Engels, Jon M.M., Basil G.D Bartley, , Gustavo A. Enríquez. Cocoa Descriptors, Their States and Modus Operandi. 1979.
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