Cotton, Richard T. Personal trainer manual : the resource for fitness professionals / Richard T. Cotton, Christine J. Ekeroth. - San Diego, Calif. : American Council on Exercise, c1997. - xiv, 501p. : ill. ; 29 cm. Glossary : p. 469 - 482. Includes index. ISBN: 0961816163 Subjects--Topical Terms: Personal trainers--Certification LC Class. No.: GV428.7 / C82 1997