Church, Horace K.
McGraw-Hill, 1981
Buku Referensi
Williams, Alexander
Cambridge University Press, 2015
eBooks
Herrick, James A.
Pearson custom, 1998
Buku Teks SO
Mander, Jerry
Morrow Quill Paperbacks, 1978
Buku Teks SO
Jong, Tomy
Fakultas Teknik Universitas Indonesia, 2002
UI - Tesis Membership