Merino Garcia, P. (2005). OPEC in the 21st century. What has changed and what have we learned? Oxford Institute for Energy Studies.
Citação do estilo Chicago (17ª ed.)Merino Garcia, P. OPEC in the 21st Century. What Has Changed and What Have We Learned? Oxford Institute for Energy Studies, 2005.
Citação MLA (9ª ed.)Merino Garcia, P. OPEC in the 21st Century. What Has Changed and What Have We Learned? Oxford Institute for Energy Studies, 2005.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.