edited by Donald Watson
McGraw-Hill , 1979
Buku Teks
Roytman, M. Ya
New Delhi: Amerind, 1975
Buku Teks
Levin, Arthur H.
Builder's Book, 1999
Buku Teks
Frederick S. Merritt and Jonathan T. Ricketts, editor
McGraw-Hill, Inc, 1994
Buku Referensi
Traister, John E.
McGraw-Hill, 1985
Buku Teks