Kohler, Heinz
Economic integration in the Soviet bloc with an East German case study Heinz Kohler
Frederick A. Praeger, 1965
 Buku Teks
Naqvi, Syed Nawab Haider
Islam, economics, and society
Kegan Paul International, 1993
 Buku Teks
Douglas, William O.
America challenged
Princeton University Press, 1960
 Buku Teks
Douglas, William O.
America challenged
Princeton University Press , 1960
 Buku Teks
Weiss, Leonard W.
Economics and society / Leonard W. Weiss
John Wiley & Sons, 1981
 Buku Teks