Lua APA (7ú heag.)
Lacalle, D., & Parrilla, D. (2015). The energy world is flat: Opportunities from the end of peak oil. Wiley.
Lua i Stíl Chicago (17ú heag.)
Lacalle, Daniel, agus Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. West Sussex, England: Wiley, 2015.
Lua MLA (9ú heag.)
Lacalle, Daniel, agus Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. Wiley, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.