Dyfyniad APA

Instructional Objectives Exchange. (1972). Math: Data relationships : graphs, ratios and proportions, statistics and probability, grades K-9 (Rev. ed.).

Dyfyniad Arddull Chicago

Instructional Objectives Exchange. Math: Data Relationships : Graphs, Ratios and Proportions, Statistics and Probability, Grades K-9. Rev. ed. Los Angeles, Calif, 1972.

Dyfyniad MLA

Instructional Objectives Exchange. Math: Data Relationships : Graphs, Ratios and Proportions, Statistics and Probability, Grades K-9. Rev. ed. 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.