Allsen, P. E., & Witbeck, P. (1972). Paddleball. W. C. Brown Co.
Cita Chicago (17th ed.)Allsen, Philip E., i Pete Witbeck. Paddleball. Dubuque, Iowa: W. C. Brown Co, 1972.
Cita MLA (9th ed.)Allsen, Philip E., i Pete Witbeck. Paddleball. W. C. Brown Co, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.