Moonitz, Maurice
New York, N.Y. Garland Publishing 1990,
Buku Teks
Woolf, Emile, editor
McGraw-Hill Book, 1988
Buku Teks
Von Mises, Ludwig, 1881-1973
George Braziller, 1956
Buku Teks
Ketz, J. Edward
John Wiley & Sons, 2003
Buku Teks
Hilman, A. Douglas
Dryden Press , 1986
Buku Teks