Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Malik, A., & Grohmann, E. (2012). Environmental Protection Strategies for Sustainable Development. Springer Netherlands : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Abdul Malik, και Elisabeth Grohmann. Environmental Protection Strategies for Sustainable Development. Dordrecht: Springer Netherlands : Imprint: Springer, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Environmental Protection Strategies for Sustainable Development. Springer Netherlands : Imprint: Springer, 2012.