PATTY, O., & PATTY, O. Diktat Tenaga Air O.f. Patty. Universitas Kristen Petra.
Chicagoスタイル(17版)引用形式PATTY, O.F, , O.F PATTY. Diktat Tenaga Air O.f. Patty. Universitas Kristen Petra.
MLA(8版)引用形式PATTY, O.F, , O.F PATTY. Diktat Tenaga Air O.f. Patty. Universitas Kristen Petra.
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