Billings, Keith H., author
New York: Van Nostrand Reinhold, 1993,
Buku Referensi
Billings, Keith H., author
Van Nostrand Reinhold, 1993
Buku Teks
Billings, Keith H., author
Van Nostrand Reinhold, 1993
Buku Referensi
Simonds, John Ormsbee, author
McGraw-Hill, 1983
Buku Teks
Erianto Dermawan, author
Fakultas Teknik Universitas Indonesia, 1999
UI - Skripsi (Membership)