Gregory, H. (2002). Public speaking for college and career (Sixth edition.). McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGregory, Hamilton. Public Speaking for College and Career. Sixth edition. Boston: McGraw-Hill, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGregory, Hamilton. Public Speaking for College and Career. Sixth edition. McGraw-Hill, 2002.
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