Traister, John E.
McGraw-Hill, 1985
Buku Teks SO
Traister, John E.
Prentice-Hall, 1978
Buku Teks SO
Traister, John E.
Prentice-Hall, 1978
Buku Teks SO
Frederick S. Merritt and Jonathan T. Ricketts, editor
McGraw-Hill, Inc, 1994
Buku Referensi
Levin, Arthur H.
Builder's Book, 1999
Buku Teks SO