Cheney, O. H. (1949). Economic survey of the book industry, 1930-1931. R. R. Bowker.
芝加哥风格引文Cheney, Orion Howard. Economic Survey of the Book Industry, 1930-1931. New York: R. R. Bowker, 1949.
MLA引文Cheney, Orion Howard. Economic Survey of the Book Industry, 1930-1931. R. R. Bowker, 1949.
警告：这些引文格式不一定是100％准确.