Statistics Division, Petroleum Information Service, 1968
Buku Referensi
IPA.Petroleum Industry Management Forum , 1997
Buku Teks
Rizki Ekananda, author
Fakultas Teknik Universitas Indonesia, 2015
UI - Tesis Membership
editor, John C. McCaslin
PennWell Publishing , 1990
Buku Referensi
Adelman, M.A., author
Johns Hopkins University Press, 1972
Buku Teks