Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Huppes, G., & Ishikawa, M. (2007). Quantified Eco-Efficiency: An Introduction with Applications. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Gjalt Huppes, και Masanobu Ishikawa. Quantified Eco-Efficiency: An Introduction with Applications. Dordrecht: Springer Netherlands, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Quantified Eco-Efficiency: An Introduction with Applications. Springer Netherlands, 2007.