Gaya APA

Tomlinson, C, A., Strickland, C, A. (2003). Differentiation in Practice Grades 9-12 (Grade 9-12). USA: Association for Supervision and Curriculum.

Gaya MLA

Tomlinson, Carol, Ann., Strickland, Cindy, A. "Differentiation in Practice Grades 9-12". Grade 9-12 USA: Association for Supervision and Curriculum, 2003. Text.