Citação norma APA
Checkley, K. (2006). The essentials of mathematics K-6: Effective curriculum, instruction, and assessment. Association for Supervision and Curriculum Development.
Citação norma Chicago
Checkley, Kathy. The Essentials of Mathematics K-6: Effective Curriculum, Instruction, and Assessment. Alexandria, Va.: Association for Supervision and Curriculum Development, 2006.
Citação norma MLA
Checkley, Kathy. The Essentials of Mathematics K-6: Effective Curriculum, Instruction, and Assessment. Association for Supervision and Curriculum Development, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.