APA ציטוט

(2015). Natural gas information 2015: With 2014 data. OECD : IEA.

Chicago Style (17th ed.) Citation

Natural Gas Information 2015: With 2014 Data. Paris, France: OECD : IEA, 2015.

ציטוט MLA

Natural Gas Information 2015: With 2014 Data. OECD : IEA, 2015.