APA-čujuhus (7. p.)
Letcher, T. M. (2014). Future energy: Improved, sustainable and clean options for our planet (Second edition.). Elsevier.
Chicago-čujuhus (17. p.)
Letcher, T. M. Future Energy: Improved, Sustainable and Clean Options for Our Planet. Second edition. Amsterdam: Elsevier, 2014.
MLA-čujuhus (9. p.)
Letcher, T. M. Future Energy: Improved, Sustainable and Clean Options for Our Planet. Second edition. Elsevier, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.