Cheney, O. H. (1949). Economic survey of the book industry, 1930-1931. R. R. Bowker.
Cita Chicago Style (17a ed.)Cheney, Orion Howard. Economic Survey of the Book Industry, 1930-1931. New York: R. R. Bowker, 1949.
Cita MLA (9a ed.)Cheney, Orion Howard. Economic Survey of the Book Industry, 1930-1931. R. R. Bowker, 1949.
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