Todd, J., & Neinstedt, H. C. (1844). The foundations of success: An oration pronounced before the Philomathæan and Phrenakosmian societies of Pennsylvania college, Gettysburg, September 19, 1843 (2d ed.). Printed by H.C. Neinstedt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTodd, John, और Heinrich C. Neinstedt. The Foundations of Success: An Oration Pronounced Before the Philomathæan and Phrenakosmian Societies of Pennsylvania College, Gettysburg, September 19, 1843. 2d ed. Gettysburg, Pa.: Printed by H.C. Neinstedt, 1844.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTodd, John, और Heinrich C. Neinstedt. The Foundations of Success: An Oration Pronounced Before the Philomathæan and Phrenakosmian Societies of Pennsylvania College, Gettysburg, September 19, 1843. 2d ed. Printed by H.C. Neinstedt, 1844.