Ryan, C. (2014). Manhattan Prep: Geometry:GMAT Strategy guide 4. MG Prep Inc.
Chicagoスタイル(17版)引用形式Ryan, Chris. Manhattan Prep: Geometry:GMAT Strategy Guide 4. Manhattan: MG Prep Inc, 2014.
MLA(9版)引用形式Ryan, Chris. Manhattan Prep: Geometry:GMAT Strategy Guide 4. MG Prep Inc, 2014.
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