Cita APA (7a ed.)

Houghton Mifflin Company. (2002). Houghton Mifflin mathematics. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Houghton Mifflin Company. Houghton Mifflin Mathematics. Boston: Houghton Mifflin, 2002.

Cita MLA (8a ed.)

Houghton Mifflin Company. Houghton Mifflin Mathematics. Houghton Mifflin, 2002.