McDonald, Stephen L.
Petroleum conservation in the United States an economicanalysis / Stephen L. McDonald
The Johns Hopkins Press, 1971
Buku Teks
The U.S.A. answers : a guide to understanding / edited, Kenneth E. Beer
U.S. and World Publications, Inc., 1961
Buku Teks
Slavery in narrative of the life of Frederick Douglas by himslef
Artikel Jurnal
Devitto, Don
Irrational markets and the illusian of prosperity
Glenlake , 2001
Buku Teks
Kampelman, Max M.
The Communist vs the C.I.O. a study in power politics / Max M. Kampelman
Frederick A. Praeger, 1957
Buku Teks