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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিTodd, John, এবং 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিTodd, John, এবং 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.