Cita APA

Independent Petroleum Association of America. The Oil producing industry in your state. Petroleum Independent Publishers.

Chicago Style (17th ed.) Citation

Independent Petroleum Association of America. The Oil Producing Industry in Your State. [Washington: Petroleum Independent Publishers.

Cita MLA

Independent Petroleum Association of America. The Oil Producing Industry in Your State. Petroleum Independent Publishers.

Atenció: Aquestes cites poden no estar 100% correctes.