@book{48554,
	author = {Selltiz, Claire. and Wrightsman, Lawrence S. and Society for the Psychological Study of Social Issues.},
	title = {Research methods in social relations},
	publisher = {Holt, Rinehart and Winston},
	year = {c1981.},
	address = {New York},
	edition = {4d ed.},
	note = {Previous editions are entered under title.}
}