Attilio Bisio, Sharon Boots, editors
John Wiley & Sons, 1995
Buku Referensi
Elliott, David, author
Routledge, 1997
Buku Teks
Akbar Andika Cahyadi, author
Fakultas Teknik Universitas Indonesia, 2018
UI - Skripsi Membership
Odum, Howard T., author
McGraw-Hill, 1981
Buku Teks
Sybil P. Parker, editor in chief
New York: McGraw Hill Book Company, 1980,
Buku Referensi