Wilson, Forrest, 1918-
Van Nostrand Reinhold, 1990
Buku Teks SO
Wilson, Forrest, 1918-
Van Nostrand Reinhold, 1990
Buku Referensi
McCaffrey, Stephen C.
Thomson/West, 2009
Buku Teks SO
Jarvis, Peter J.
Prentice-Hall, 2000
Buku Teks SO
Austin, Richard L. ; Dawson, Kerry ; Musiak, Thomas A. ; Scerbo, William, edited
Van Nostrand Reinhold Company, 1985
Buku Referensi