Krasevec, J. A., & Grimes, D. C. (1985). HydroRobics: A water exercise program for individuals of all ages and fitness levels (2nd ed.). Leisure Press.
Chicago-referens (17:e uppl.)Krasevec, Joseph A., och Diane C. Grimes. HydroRobics: A Water Exercise Program for Individuals of All Ages and Fitness Levels. 2nd ed. West Point, N.Y: Leisure Press, 1985.
MLA-referens (9:e uppl.)Krasevec, Joseph A., och Diane C. Grimes. HydroRobics: A Water Exercise Program for Individuals of All Ages and Fitness Levels. 2nd ed. Leisure Press, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.