@book{42407,
	author = {Brualdi, Richard A.},
	title = {Introductory combinatorics /},
	publisher = {Pearson,},
	year = {[2018]},
	series = {Pearson modern classic},
	address = {New York, NY :},
	edition = {Fifth edition [2018 reissue].},
	note = {Originally published in 2010, reissued as part of Pearson's modern classic series.}
}