Style de citation APA

Sperry Smith, S. (1997). Early childhood mathematics. Boston: Allyn and Bacon.

Style de citation Chicago

Sperry Smith, Susan. Early Childhood Mathematics. Boston: Allyn and Bacon, 1997.

Style de citation MLA

Sperry Smith, Susan. Early Childhood Mathematics. Boston: Allyn and Bacon, 1997.

Attention : ces citations peuvent ne pas être correctes à 100%.