Woodlock, T. F., Seligman, E. R. A., Vanderlip, F. A., Hepburn, A. B., Strauss, A., Nash, W. A., . . . Perkins, G. W. (1908). The Currency problem and the present financial situation: A series of addresses delivered at Columbia University, 1907-1908. Columbia University Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWoodlock, Thomas F., Edwin R. A. Seligman, Frank A. Vanderlip, A. Barton Hepburn, Albert Strauss, William Alexander Nash, James Graham Cannon, Paul M. Warburg, এবং George W. Perkins. The Currency Problem and the Present Financial Situation: A Series of Addresses Delivered at Columbia University, 1907-1908. New York: Columbia University Press, 1908.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিWoodlock, Thomas F., et al. The Currency Problem and the Present Financial Situation: A Series of Addresses Delivered at Columbia University, 1907-1908. Columbia University Press, 1908.