@inbook{1157188767,
author={John P. Porcari and Cedric X. Bryant and Fabio Comana},
title={American Council on Exercise Fitness Certifications},
booktitle={Exercise Physiology},
publisher={F. A. Davis Company},
address={New York, NY},
year={2015},
url={fadavispt.mhmedical.com/content.aspx?aid=1157188767}
}