Frak, Andre Gunder, author
Monthley Review Press, 1972
Buku Teks SO
Joseph Maier, Richard W.Weatherhead
F. A. Praeger, 1964
Buku Teks
edited by Fredrick B. Pike
University of Notre Dame Press, 1959
Buku Teks
Frank, Andre Gunder
Monthly Review Press, 1972
Buku Teks
edited by Eduardo P. Archetti
MacMillan Education, 1987
Buku Teks