Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Ansuategi, A., Delgado, J., & Galarraga, I. (2015). Green Energy and Efficiency: An Economic Perspective. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Alberto Ansuategi, Juan Delgado, και Ibon Galarraga. Green Energy and Efficiency: An Economic Perspective. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Green Energy and Efficiency: An Economic Perspective. Springer International Publishing : Imprint: Springer, 2015.