Cita APA (7th ed.)

Ryan, C. (2014). Manhattan Prep: Geometry:GMAT Strategy guide 4. MG Prep Inc.

Cita Chicago (17th ed.)

Ryan, Chris. Manhattan Prep: Geometry:GMAT Strategy Guide 4. Manhattan: MG Prep Inc, 2014.

Cita MLA (9th ed.)

Ryan, Chris. Manhattan Prep: Geometry:GMAT Strategy Guide 4. MG Prep Inc, 2014.