APA (7th ed.) Zitazioa
Lacalle, D., & Parrilla, D. (2015). The energy world is flat: Opportunities from the end of peak oil. Wiley.
Chicago Style (17th ed.) Zitazioa
Lacalle, Daniel, eta Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. West Sussex, England: Wiley, 2015.
MLA (9th ed.) Zitazioa
Lacalle, Daniel, eta Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. Wiley, 2015.
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