Delivanis, Dimitrios
Indiana University, [date of publication not identified]
Buku Teks
Coffey, Peter, author
Macmillan, 1974
Buku Teks
Mints, Lloyd W., author
McGraw-Hill, 1950
Buku Teks
selected by a Committee of the American Economic Association
George Allen & Unwin, 1956
Buku Teks
Shaw, Edward S.
Richard D. Irwin, 1950
Buku Teks