Style de citation APA (7e éd.)
Heddens, J. W., & Speer, W. R. (1988). Today's Mathematics: Concepts and Methods in Elementary School Mathematics (6. ed.). SRA Pergamon.
Style de citation Chicago (17e éd.)
Heddens, James W., et William R. Speer. Today's Mathematics: Concepts and Methods in Elementary School Mathematics. 6. ed. Chicago: SRA Pergamon, 1988.
Style de citation MLA (9e éd.)
Heddens, James W., et William R. Speer. Today's Mathematics: Concepts and Methods in Elementary School Mathematics. 6. ed. SRA Pergamon, 1988.
Attention : ces citations peuvent ne pas être correctes à 100%.