@book{205393,
	author = {Huitema, Bradley E.,},
	title = {The analysis of covariance and alternatives : statistical methods for experiments, quasi-experiments, and single-case studies /},
	publisher = {Wiley,},
	year = {©2011.},
	series = {Wiley series in probability and statistics},
	address = {Hoboken, N.J. :},
	edition = {2nd ed.},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781118067475}
}