Merino Garcia, P. (2005). OPEC in the 21st century. What has changed and what have we learned? Oxford Institute for Energy Studies.
Цитирование в стиле Чикаго (17-е изд.)Merino Garcia, P. OPEC in the 21st Century. What Has Changed and What Have We Learned? Oxford Institute for Energy Studies, 2005.
Цитирование MLA (9-е изд.)Merino Garcia, P. OPEC in the 21st Century. What Has Changed and What Have We Learned? Oxford Institute for Energy Studies, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.