Halpin, James F.
McGraw-Hill Book , 1996
Buku Teks
Mahendro Mayangkoro, author
Fakultas Teknik Universitas Indonesia, 1997
UI - Skripsi (Membership)
Ince, D. (Darrel), author
McGraw-Hill, 1995
Buku Teks
Besterfield, Dale H., author
Prentice-Hall, 1998
Buku Teks
Besterfield, Dale H., author
Prentice-Hall, 1994
Buku Teks