Wescott, A. M., & A Smith. (1967). Creative teaching of mathematics in the the elementary school. Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Wescott, Alvin M., e A Smith. Creative Teaching of Mathematics in the the Elementary School. Boston: Allyn and Bacon, 1967.
Citatione MLA (9a ed.)Wescott, Alvin M., e A Smith. Creative Teaching of Mathematics in the the Elementary School. Allyn and Bacon, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.