Hartley, Keith
John Wiley & Sons, c.1981
Buku Teks
Gould, John P., author
Richard D. Irwin Inc., c1980
Buku Teks
Samuelson, Paul A. (Paul Anthony), 1915-2009, author
[publisher not identified], [date of publication not identified]
Buku Teks
Ferguson, C.E., author
Irwin, 1975
Buku Teks
Ferguson, C.E., author
Richard D. Irwin, 1966
Buku Teks