Lee, J. M. (1919). Opportunities in the newspaper business. Harper & Brothers.
Lua i Stíl Chicago (17ú heag.)Lee, James Melvin. Opportunities in the Newspaper Business. New York, London: Harper & Brothers, 1919.
Lua MLA (8ú heag.)Lee, James Melvin. Opportunities in the Newspaper Business. Harper & Brothers, 1919.
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