Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Row, 1976
Buku Teks
DePamphilis, Donald, author
Elsevier , 2011
Buku Teks
Ripley, William Z.
Little, Brown, and Company, 1927
Buku Teks
DePamphilis, Donald M., author
Academic Press, 2014
eBooks
Law and Economics Center, University of Miami School of Law ; editor, M. Bruce Johson
McGraw-Hill, 1978
Buku Teks