@book{20909,
	author = {United States. and Cushman, Frank,},
	title = {Progress in foreman training;},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1928]},
	series = {Bulletin},
	address = {[Washington,},
	note = {"Publications of the Federal board for vocational education": p. 23-27.}
}