Barrett, S. (2020). the total gym ball workout: TRADE SECRETS OF A PERSONAL TRAINER. Bloomsbury Sport.
Chicago Style (17th ed.) CitationBarrett, Steve. The Total Gym Ball Workout: TRADE SECRETS OF A PERSONAL TRAINER. London: Bloomsbury Sport, 2020.
MLA (9th ed.) CitationBarrett, Steve. The Total Gym Ball Workout: TRADE SECRETS OF A PERSONAL TRAINER. Bloomsbury Sport, 2020.
Warning: These citations may not always be 100% accurate.