APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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