@book{12024,
	author = {Stewart, James. and Redlin, Lothar.},
	title = {Trigonometry /},
	publisher = {Brooks/Cole,},
	year = {2003.},
	address = {United Kingdom.},
	url = {http://www.loc.gov/catdir/enhancements/fy1103/2002034295-b.html}
}