APA-čujuhus (7. p.)
International Energy Agency. (2014). Coal information: 2014 with 2013 data. International Energy Agency.
Chicago-čujuhus (17. p.)
International Energy Agency. Coal Information: 2014 with 2013 Data. Paris, France: International Energy Agency, 2014.
MLA-čujuhus (9. p.)
International Energy Agency. Coal Information: 2014 with 2013 Data. International Energy Agency, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.