@book{69787,
	author = {Martin, William E. and Bridgmon, Krista D.,},
	title = {Quantitative and statistical research methods :},
	publisher = {Jossey-Bass,},
	year = {2012},
	series = {Research methods for the social sciences ; 42},
	address = {San Francisco, CA :},
	edition = {1st ed.}
}