Heilbroner, Robert L.
Simon Schuster, 1961
Buku Teks
Negishi, Takashi
Cambridge University Press , 1985
Buku Teks
Taylor, Overton H.
Kogakusha Company,Ltd., 1960
Buku Teks
Roll, Eric
Prentice-Hall, 1959
Buku Teks
Fusfeld, Daniel Roland, 1922-, editor
Scott, Foresman and Company, 1986
Buku Teks