Spear, V. I. (1988). Sports illustrated racquetball: Strategies for winning. Sports Illustrated.
Citazione stile Chigago Style (17a edizione)Spear, Victor I. Sports Illustrated Racquetball: Strategies for Winning. New York: Sports Illustrated, 1988.
Citatione MLA (9a ed.)Spear, Victor I. Sports Illustrated Racquetball: Strategies for Winning. Sports Illustrated, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.