Ekeroth, Christine J. American Council on Exercise

titleISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Ace's Group Fitness Instructor Manual978-1-89O72O-2O-9
(1-89O72O-2O-8)
2007Cedric X. · Green, Daniel J. · Bryant

C.A. · C.J · e.a. · E C. · 鄭 維中 · E. J. · J. A.

Ekkehard Ciesla