Cita APA (7th ed.)

(2002). Shapes and designs: Two-dimensional geometry / Glenda Lappan [and others].

Cita Chicago (17th ed.)

Shapes and Designs: Two-dimensional Geometry / Glenda Lappan [and Others]. 2002.

Cita MLA (9th ed.)

Shapes and Designs: Two-dimensional Geometry / Glenda Lappan [and Others]. 2002.