APA (7e ed.) Bronvermelding
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2011). Coal information 2011, with 2010 data. International Energy Agency.
Chicago (17e ed.) Bronvermelding
International Energy Agency, Organisation for Economic Co-operation and Development, en ProQuest (Firm). Coal Information 2011, with 2010 Data. [Paris]: International Energy Agency, 2011.
MLA (9e ed.) Bronvermelding
International Energy Agency, et al. Coal Information 2011, with 2010 Data. International Energy Agency, 2011.
Let op: Deze citaties zijn niet altijd 100% accuraat.