Samuelson, Paul A. (Paul Anthony), 1915-2009, author
McGraw-Hill, 1992
Buku Teks
Samuelson, Paul A. (Paul Anthony), 1915-2009, author
McGraw-Hill, 1995
Buku Teks
Lipsey, Richard G., 1928-, author
Harper & Row, [date of publication not identified]
Buku Teks
Elliot, John E
Goodtear, 1973
Buku Teks
Buku Teks