APA (7. basım) Alıntı

(2015). Plunkett Analytics Reports. Fitness Centers, Gyms and Exercise and Fitness Programs Industry (US). Plunkett Research, Ltd..

Chicago Style (17. basım) Atıf

Plunkett Analytics Reports. Fitness Centers, Gyms and Exercise and Fitness Programs Industry (US). [S.l.]: Plunkett Research, Ltd., 2015.

MLA (9th ed.) Atıf

Plunkett Analytics Reports. Fitness Centers, Gyms and Exercise and Fitness Programs Industry (US). Plunkett Research, Ltd., 2015.