@book{55893,
	author = {Gagné, Robert M.},
	title = {The conditions of learning and theory of instruction},
	publisher = {Holt, Rinehart and Winston},
	year = {©1985},
	address = {New York},
	edition = {4th ed.},
	note = {Rev. ed. of: The conditions of learning. 3rd ed. c1977. Includes indexes. }
}