Labor Research Association (U.S.) & Labor Research Association (U.S.). (1972). Labor fact book. Oriole Editions.
芝加哥风格引文Labor Research Association (U.S.) 与 Labor Research Association (U.S.). Labor Fact Book. New York: Oriole Editions, 1972.
MLA引文Labor Research Association (U.S.) 与 Labor Research Association (U.S.). Labor Fact Book. Oriole Editions, 1972.
警告：这些引文格式不一定是100％准确.