Fakultas Teknik Universitas Indonesia, 1999
UI - Skripsi Membership
Crawford, R.J.
Pergamon Press, 1987
Buku Teks
Wordingham, J. A.
Littlefield, Adams & Co., 1967
Buku Referensi
Charles H. Thorne ... [and others]
Lippincott Williams & Wilkins, 2007
Buku Teks
Hertzberg, Richard W.
Academic Press, 1980
Buku Teks