Lewis, E. S. E. (1919). Getting the most out of business: Observations of the application of the scientific method to business practice (6th ed.). Ronald Press Co.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLewis, Elias St. Elmo. Getting the Most Out of Business: Observations of the Application of the Scientific Method to Business Practice. 6th ed. New York: Ronald Press Co, 1919.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLewis, Elias St. Elmo. Getting the Most Out of Business: Observations of the Application of the Scientific Method to Business Practice. 6th ed. Ronald Press Co, 1919.
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