@book{6899,
	author = {Murray, Andrew  and Choy, Leona F },
	title = {Key to the Missionary Problem / },
	publisher = {Christian Literature Crusade, },
	year = {1979, 1993},
	address = {Fort Washington : },
	edition = {1 ed.},
	note = {Escrito como respuesta a la "Missions Conference" de 1901}
}