APA (7 वां संस्करण) प्रशस्ति पत्र
Marion, N. E., & Oliver, W. (2014). Killing Congress: Assassinations, attempted assassinations and other violence against members of Congress. Lexington Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Marion, Nancy E., और Willard Oliver. Killing Congress: Assassinations, Attempted Assassinations and Other Violence Against Members of Congress. Lanham, Maryland ; London, England: Lexington Books, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Marion, Nancy E., और Willard Oliver. Killing Congress: Assassinations, Attempted Assassinations and Other Violence Against Members of Congress. Lexington Books, 2014.
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