Johnston, Daniel
Penwell Books, 1994
Buku Teks
editor, John C. McCaslin
PennWell Publishing , 1990
Buku Referensi
Bret-Rouzaut, Nadine, author
Editions Technip, 2011
Buku Teks
editor Jim West
PennWell Pub. Co., 1998
Buku Referensi
Genio Ladyan Finasisca, author
Fakultas Hukum Universitas Indonesia, 2013
UI - Skripsi (Membership)