Citazione Stile APA (7a Edizione)

Organisation for Economic Co-operation and Development & International Energy Agency. (1999). Energy policies of IEA countries. OCED.

Citazione stile Chigago Style (17a edizione)

Organisation for Economic Co-operation and Development e International Energy Agency. Energy Policies of IEA Countries. Paris: OCED, 1999.

Citatione MLA (8a ed.)

Organisation for Economic Co-operation and Development e International Energy Agency. Energy Policies of IEA Countries. OCED, 1999.