International Petroleum encyclopedia 1990
editor, John C. McCaslin
PennWell Publishing , 1990
 Buku Referensi
Glossary of terms used in petroleum industry & conversion tables.
Statistics Division, Petroleum Information Service, 1968
 Buku Referensi
Adelman, M.A.
The world petroleum market
Johns Hopkins University Press, 1972
 Buku Teks
International petroleum encyclopedia 1996
editor Jim West
PennWell Pub. Co., 1998
 Buku Referensi
Rizki Ekananda
Pemanfaatan petroleum coke di industri pengolahan minyak bumi untuk produksi metanol melalui gasifikasi = Petroleum coke upgrading in oil refining industry to produce methanol by gasification
Fakultas Teknik Universitas Indonesia, 2015
 UI - Tesis Membership