Heisler, Sanford I, author
John Wiley & Sons, 1984
Buku Referensi
Mays, Larry W.
McGraw-Hill, 2000
Buku Referensi
Mcgraw-Hill, 1987
Buku Referensi
Donald G. Fink, editor-in-chief, Alexander A. McKenzie, assistant editor
McGraw-Hill, 1975
Buku Referensi
Donald Christiansen, editor in chief
McGraw-Hill, 1997
Buku Referensi