Παραπομπή APA

Briggs, E. E., & MacLean, J. . R. Freedom to learn: An active learning approach to mathematics.

Παραπομπή Chicago Style

Briggs, Edith E., και James R. MacLean. Freedom to Learn: An Active Learning Approach to Mathematics. Ontario.

Παραπομπή MLA

Briggs, Edith E., και James R. MacLean. Freedom to Learn: An Active Learning Approach to Mathematics.