Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Singh, R., & Kumar, S. (2017). Green Technologies and Environmental Sustainability. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Ritu Singh, και Sanjeev Kumar. Green Technologies and Environmental Sustainability. Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Green Technologies and Environmental Sustainability. Springer International Publishing : Imprint: Springer, 2017.