@book{31283,
	author = {Wonnacott,Thomas H. and Wonnacott,Ronald J.},
	title = {    Student solutions workbook for Introductory statistics for business and economics, 2d edition and Introductory statistics, 3rd edition : complete solutions for odd-numbered problems/},
	publisher = {A wiley/Hamilton publication,},
	year = {c1977.},
	address = {Toronto:}
}