McGill, Erin A. <br/><br/>
Principles of group fitness instruction / 
Erin A. McGrill, managing editor 
 - 2nd ed. 
 - Burlington, MA:  Jones & Barlett,  c2019 
 - xii, 356p.:  col. ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-1-284-40280-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical fitness - Handbooks, manuals, etc.<br/>Personal trainers - Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>G.S. 613.71 P957 2019