@book{253597,
	author = { Steinmetz, Lawrence L. and Todd, H. Ralph.},
	title = {Supervision:},
	publisher = { Irwin, },
	year = {c1992.},
	address = {Homewood, IL : },
	edition = {5th ed},
	note = { Rev. ed. of: First-line management. 4th ed. Plano, Tex. : Business Publications, 1986.}
}