Cita APA (7a ed.)

(2007). History of Oil Well Drilling. Euromoney Institutional Investor PLC.

Cita Chicago Style (17a ed.)

History of Oil Well Drilling. Euromoney Institutional Investor PLC, 2007.

Cita MLA (8a ed.)

History of Oil Well Drilling. Euromoney Institutional Investor PLC, 2007.

Precaución: Estas citas no son 100% exactas.