Cita APA

Phillips, E. D. 1., & Zawojewski, J. S. (2011). Reasoning and sense-making problems and activities for grades 5-8. Reston, VA: NCTM.

Citación estilo Chicago

Phillips, Elizabeth Difanis 1937-, y Judith S. Zawojewski. Reasoning and Sense-making Problems and Activities for Grades 5-8. Reston, VA: NCTM, 2011.

Cita MLA

Phillips, Elizabeth Difanis 1937-, y Judith S. Zawojewski. Reasoning and Sense-making Problems and Activities for Grades 5-8. Reston, VA: NCTM, 2011.