Dyfyniad APA

LEFFINGWELL RICHARD. (2019). BASIC MATH SHARING AND DIVIDING (2018 Ed.). HEINEMANN LIBRARY.

Dyfyniad Arddull Chicago

LEFFINGWELL RICHARD. BASIC MATH SHARING AND DIVIDING. 2018 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

Dyfyniad MLA

LEFFINGWELL RICHARD. BASIC MATH SHARING AND DIVIDING. 2018 Ed. HEINEMANN LIBRARY, 2019.

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