@book{11625,
	author = {Gilbertson, H. W. and Gallup, Gladys},
	title = {Result demonstration manual for extension workers /},
	publisher = {U.S. Dept. of Agriculture, Federal Extension Service,},
	year = {1957.},
	series = {Agriculture handbook / United States Department of Agriculture ;},
	address = {[Washington, D.C.] :},
	note = {Cover title.}
}