Batra, Ravi
Simon and Schuster , 1988
Buku Teks
Grebler, Leo
National Boreau of Economic Research , 1960
Buku Teks
Henry Holt and Co., 1934
Buku Teks
Drucker, Peter F. (Peter Ferdinand), 1909-2005, author
Harper & Row, 1976
Buku Teks
Harrington, Michael, author
Jones & Bartlett Learning, 2015
Buku Teks