American Country Life Conference, 13th, Madison, Wisconsin, & American Country Life Association. (1931). Standards of living: Proceedings. Published by the University of Chicago Press for the American Country Life Association.
芝加哥风格引文American Country Life Conference, 13th, Madison, Wisconsin, 与 American Country Life Association. Standards of Living: Proceedings. Chicago, Ill.: Published by the University of Chicago Press for the American Country Life Association, 1931.
MLA引文American Country Life Conference, 13th, Madison, Wisconsin, 与 American Country Life Association. Standards of Living: Proceedings. Published by the University of Chicago Press for the American Country Life Association, 1931.
警告：这些引文格式不一定是100％准确.