Buku Teks
Shanti Amelia
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi Membership
Massachusetts: Rockport Publishers,, 1997
Buku Teks
Kurtich, John
Van Nostrand Reinhold, 1993
Buku Referensi
Drew, Philip
Law Book Company Limited, 1985
Buku Referensi