@book{21860,
	author = {Gullette, Cameron C  and Keating, L. Clark },
	title = {Teaching a modern language},
	publisher = {Appleton-Century-Crofts Inc., },
	year = {c1942},
	address = {New York : },
	edition = {1 ed.},
	note = {Como enseñar idiomas modernos}
}