Sheldon, A. F. (1911). The art of selling, for business colleges, high schools of commerce, Y.M.C.A classes and private students. The Sheldon university press.
Chicago Style (17th ed.) CitationSheldon, Arthur Frederick. The Art of Selling, for Business Colleges, High Schools of Commerce, Y.M.C.A Classes and Private Students. Libertyville, Ill: The Sheldon university press, 1911.
MLA (9th ed.) CitationSheldon, Arthur Frederick. The Art of Selling, for Business Colleges, High Schools of Commerce, Y.M.C.A Classes and Private Students. The Sheldon university press, 1911.
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