ARIFIN, Z., & SUTOPO, A. (1997). English for nutrition 2. Language Center UMS.
Chicagoスタイル(17版)引用形式ARIFIN, Zaenal, , Anam SUTOPO. English for Nutrition 2. Surakarta: Language Center UMS, 1997.
MLA(9版)引用形式ARIFIN, Zaenal, , Anam SUTOPO. English for Nutrition 2. Language Center UMS, 1997.
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