APA aipamena

Norton, C., & Cheryl Norton; James E. Bryant. (2004). Beginning racquetball. Australia,Belmont, CA: Thomson/Wadsworth.

Chicago Style aipamena

Norton, Cheryl, và Cheryl Norton; James E. Bryant. Beginning Racquetball. Australia,Belmont, CA: Thomson/Wadsworth, 2004.

MLA aipamena

Norton, Cheryl, và Cheryl Norton; James E. Bryant. Beginning Racquetball. Australia,Belmont, CA: Thomson/Wadsworth, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.