Cita APA (7th ed.)
Checkley, K. (2006). The essentials of mathematics, grades 7-12: Effective curriculum, instruction, and assessment. Association for Supervision and Curriculum Development.
Cita Chicago (17th ed.)
Checkley, Kathy. The Essentials of Mathematics, Grades 7-12: Effective Curriculum, Instruction, and Assessment. Alexandria, VA: Association for Supervision and Curriculum Development, 2006.
Cita MLA (9th ed.)
Checkley, Kathy. The Essentials of Mathematics, Grades 7-12: Effective Curriculum, Instruction, and Assessment. Association for Supervision and Curriculum Development, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.