Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Schmitz-Hoffmann, C., Schmidt, M., Hansmann, B., & Palekhov, D. (2014). Voluntary Standard Systems: A Contribution to Sustainable Development. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Carsten Schmitz-Hoffmann, Michael Schmidt, Berthold Hansmann, και Dmitry Palekhov. Voluntary Standard Systems: A Contribution to Sustainable Development. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Voluntary Standard Systems: A Contribution to Sustainable Development. Springer Berlin Heidelberg : Imprint: Springer, 2014.