APA (7e ed.) Bronvermelding
International Energy Agency. (2017). Gas 2017: Analysis and forecasts to 2022. OECD.
Chicago (17e ed.) Bronvermelding
International Energy Agency. Gas 2017: Analysis and Forecasts to 2022. [Paris, France]: OECD, 2017.
MLA (9e ed.) Bronvermelding
International Energy Agency. Gas 2017: Analysis and Forecasts to 2022. OECD, 2017.
Let op: Deze citaties zijn niet altijd 100% accuraat.