Ott, J. N. (1970). How to write and deliver a speech. Tridrent Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOtt, John Nash. How to Write and Deliver a Speech. New York: Tridrent Press, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOtt, John Nash. How to Write and Deliver a Speech. Tridrent Press, 1970.
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