Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.