Mason, Will Edwin, 1912-
Pennsylvania State University Press , 1963
Buku Teks
DiMuzio, Tim, author
Routledge, 2017
Buku Teks
Einzig, Paul
Eyre & Spottiswood , 1949
Buku Teks
Keynes, John Maynard, author
Gadjah Mada Univerity Press , 1991
Buku Teks
Gowland, David, author
Harvester Wheatsheaf, 1991
Buku Teks