APA Style

Mabro, Robert. (2005). Oil in the 21st century : issues, challenges and opportunities . : Organization of the Petroleum Exporting Countries (OPEC).

Chicago Style

Mabro, Robert. Oil in the 21st century : issues, challenges and opportunities. : Organization of the Petroleum Exporting Countries (OPEC), 2005. Text.

MLA Style

Mabro, Robert. Oil in the 21st century : issues, challenges and opportunities. : Organization of the Petroleum Exporting Countries (OPEC), 2005. Text.

Turabian Style

Mabro, Robert. Oil in the 21st century : issues, challenges and opportunities. : Organization of the Petroleum Exporting Countries (OPEC), 2005. Print.