Shipp, D. E. Developing arithmetic concepts and skills. Prentice-Hall.
Chicago Style (17th ed.) CitationShipp, Donald E. Developing Arithmetic Concepts and Skills. Prentice-Hall.
MLA (8th ed.) CitationShipp, Donald E. Developing Arithmetic Concepts and Skills. Prentice-Hall.
Warning: These citations may not always be 100% accurate.