APA-referens (7:e uppl.)

Barltrop, R. (2019). Oil and gas in a new Libyan era: Conflict and continuity. Oxford Institute for Energy Studies.

Chicago-referens (17:e uppl.)

Barltrop, R. Oil and Gas in a New Libyan Era: Conflict and Continuity. Oxford Institute for Energy Studies, 2019.

MLA-referens (9:e uppl.)

Barltrop, R. Oil and Gas in a New Libyan Era: Conflict and Continuity. Oxford Institute for Energy Studies, 2019.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.