@book{4456,
	author = {Dixon, Beverly R. and Bouma, Gary D.},
	title = {Handbook of social science research},
	publisher = {Oxford University Press},
	year = {1987.},
	address = {Oxford [Oxfordshire]},
	note = {Rev. ed. of: The research process / Beverly R. Dixon, Gary D. Bouma. 1984.}
}