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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Woodlock, Thomas F., Edwin R. A. Seligman, Frank A. Vanderlip, A. Barton Hepburn, Albert Strauss, William Alexander Nash, James Graham Cannon, Paul M. Warburg, και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)Woodlock, 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.