APA(7版)引用形式

Mock, V. E. (1982). Subtraction drill for levels 1-3. David S. Lake Publishers.

Chicagoスタイル(17版)引用形式

Mock, Valerie E. Subtraction Drill for Levels 1-3. Belmont, Calif: David S. Lake Publishers, 1982.

MLA(9版)引用形式

Mock, Valerie E. Subtraction Drill for Levels 1-3. David S. Lake Publishers, 1982.

警告: この引用は必ずしも正確ではありません.