edited by James Petras
John Wiley & Sons, 1973
Buku Teks
Frank, Andre Gunder
Monthly Review Press, 1972
Buku Teks
Frak, Andre Gunder
Monthley Review Press, 1972
Buku Teks
Teichert, Pedro C.M.
Bureau of Business Research Mississippi University , 1959
Buku Teks
Powelson, John P.
McGraw-Hill , 1964
Buku Teks