Gray, Alexander, author
Longmans , 1959
Buku Teks
Heilbroner, Robert L., author
Simon Schuster, 1961
Buku Teks
Jurgen Georg Backhaus, editor
[Springer, Springer], 2012
eBooks
Schumpeter, Joseph A.
Routledge , 1997
Buku Teks
Heilbroner, Robert L., author
UI-Press, 1986
Buku Teks