APA Citation

Yapp, W. W. A Child's first mathematics program: Which is bigger? John Wiley.

Chicago Style Citation

Yapp, William Wodin. A Child's First Mathematics Program: Which Is Bigger? John Wiley.

MLA Citation

Yapp, William Wodin. A Child's First Mathematics Program: Which Is Bigger? John Wiley.

Warning: These citations may not always be 100% accurate.