Hansen, Karen Lee, author
John Wiley & Sons, 2011
Buku Referensi
edited by G.T. Dyos and T. Farrell
Peter Peregrinus, 1992
Buku Referensi
edited by Sheldon S. L. Chang
John Wiley & Sons, 1983
Buku Referensi
Green, Don W.
McGraw-Hill, 2008
Buku Referensi
Leslie D. "Doc" Long, Clifford Gordon, Charles F. Peck, Jack R. Benjamin
McGraw-Hill, 1982
Buku Referensi