Hoskin, Robert E.
Financial accounting with lotus 1-2-3
Prentice-Hall, 1986
 Buku Teks
Brigham, Eugene F., 1930-
Finance with lotus 1-2-3 : text, cases, and models
Dryden Press, 1988
 Buku Teks
Krumm, Robert
Getting the most from utilities on the IBM PC: perfecting the system environment
A Brady Book, 1987
 Buku Teks
Porter, Alan
Basic subroutines for the IBM PC and PCjr
Reading, Mass.: Addison-Wesley, c1985
 Buku Teks
Krumm, Robert
Getting the most from utilities on the IBM-PC: perfecting the system environment
Prentice-Hall, 1987
 Buku Teks