APA (7e ed.) Bronvermelding

Howe, C., Nunes, T., & Bryant, P. (2011). RATIONAL NUMBER AND PROPORTIONAL REASONING: USING INTENSIVE QUANTITIES TO PROMOTE ACHIEVEMENT IN MATHEMATICS AND SCIENCE.

Chicago (17e ed.) Bronvermelding

Howe, C., T. Nunes, en P. Bryant. RATIONAL NUMBER AND PROPORTIONAL REASONING: USING INTENSIVE QUANTITIES TO PROMOTE ACHIEVEMENT IN MATHEMATICS AND SCIENCE. 2011.

MLA (9e ed.) Bronvermelding

Howe, C., et al. RATIONAL NUMBER AND PROPORTIONAL REASONING: USING INTENSIVE QUANTITIES TO PROMOTE ACHIEVEMENT IN MATHEMATICS AND SCIENCE. 2011.