@book{1,
	author = {Powers, Scott K.},
	title = {Exercise physilogy:},
	publisher = {Mc Graw Hill,},
	year = {(c) 2009.},
	address = {Boston:},
	edition = {7th ed.},
	url = {https://www.bookdepository.com/Exercise-Physiology-Scott-Powers/9780071280785}
}