Ferris, Kenneth R., author
Richard D. Irwin, 1989
Buku Teks
Ferris, Kenneth R., author
McGraw-Hill/Irwin, 1996
Buku Teks
Warren, Carl S., author
Thomson, 2005
Buku Teks
Shank, John, author
Prentice-Hall, 1981
Buku Teks
Ferris, Kenneth R., author
Richard D. Irwin, 1990
Buku Teks