@book{21921,
	author = {Whipple, Caroline A. and Kotinsky, Ruth,},
	title = {Practical methods in adult education /},
	publisher = {The University of the state of New York press,},
	year = {[1941]},
	series = {University of the state of New York bulletin, no. 1226 ...},
	address = {[Albany] :}
}