APA-referens (7:e uppl.)

Ansuategi, A., Delgado, J., & Galarraga, I. (2015). Green energy and efficiency: An economic perspective. Springer International Publishing. https://doi.org/10.1007/978-3-319-03632-8

Chicago-referens (17:e uppl.)

Ansuategi, Alberto, Juan Delgado, och Ibon Galarraga. Green Energy and Efficiency: An Economic Perspective. Cham: Springer International Publishing, 2015. https://doi.org/10.1007/978-3-319-03632-8.

MLA-referens (9:e uppl.)

Ansuategi, Alberto, et al. Green Energy and Efficiency: An Economic Perspective. Springer International Publishing, 2015. https://doi.org/10.1007/978-3-319-03632-8.