Παραπομπή σε μορφή APA (7η εκδ.)

Lacalle, D., & Parrilla, D. (2015). The energy world is flat: Opportunities from the end of peak oil. John Wiley & Sons. https://doi.org/10.1002/9781118867976

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lacalle, Daniel, και Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. Chichester, West Sussex, United Kingdom: John Wiley & Sons, 2015. https://doi.org/10.1002/9781118867976.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lacalle, Daniel, και Diego Parrilla. The Energy World Is Flat: Opportunities from the End of Peak Oil. John Wiley & Sons, 2015. https://doi.org/10.1002/9781118867976.