Allsen, P. E., & Witbeck, P. (1992). Racquetball (5th ed.). Brown.
Chicagoスタイル(17版)引用形式Allsen, Philip E., , Pete Witbeck. Racquetball. 5th ed. Dubuque, Iowa: Brown, 1992.
MLA(9版)引用形式Allsen, Philip E., , Pete Witbeck. Racquetball. 5th ed. Brown, 1992.
警告: この引用は必ずしも正確ではありません.