PATTY. Soal-soal Hidrolika Patty. Universitas Petra.
Chicagoスタイル(17版)引用形式PATTY. Soal-soal Hidrolika Patty. Universitas Petra.
MLA(8版)引用形式PATTY. Soal-soal Hidrolika Patty. Universitas Petra.
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APA(7版)引用形式