Allred, R. A., & Wolinski, J. T. (1990). McGraw-Hill spelling. McGraw-Hill School Division.

Allred, Ruel A., and John T. Wolinski. McGraw-Hill Spelling. New York: McGraw-Hill School Division, 1990.

Allred, Ruel A., and John T. Wolinski. McGraw-Hill Spelling. McGraw-Hill School Division, 1990.