International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Natural gas market review 2009. OECD : International Energy Agency.
Chicago Style (17th ed.) CitationInternational Energy Agency, Organisation for Economic Co-operation and Development, and ProQuest (Firm). Natural Gas Market Review 2009. Paris: OECD : International Energy Agency, 2009.
ציטוט MLAInternational Energy Agency, et al. Natural Gas Market Review 2009. OECD : International Energy Agency, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.