@book{131269,
	author = {Moyer, Robert E. and Ayres, Frank,},
	title = {Schaum's outline trigonometry :},
	publisher = {McGraw-Hill,},
	year = {c2009.},
	series = {Schaum's outline series},
	address = {New York :},
	edition = {4th ed.},
	note = {Rev. ed. of: Schaum's outline of theory and problems of trigonometry / Frank Ayres, Jr., Robert E. Moyer. 1999.},
	url = {http://www.loc.gov/catdir/enhancements/fy1010/2009517757-b.html}
}