Davies, T., author
Pergamon Press, 1984
Buku Teks
editor, Robert W. Smeaton
McGraw-Hill, 1977
Buku Referensi
Rina Ariani, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Miller, Robert H., author
McGraw-Hill, 1983
Buku Teks
Stevenson, William D., author
McGraw-Hill, 1975
Buku Teks