@book{174372,
	author = {Shepherd, Gene D., and Ragan, William Burk},
	title = {Modern elementary curriculum},
	publisher = {Holt, Rinehart, Winston},
	year = {c1982.},
	address = {New York},
	edition = {6th ed.},
	note = {Rev. ed of: Modern elementary curriculum / William B. Ragan, Gene D. Shepherd. 5th ed. c1977.}
}