Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Heil, G. W., Muys, B., & Hansen, K. (2007). Environmental Effects of Afforestation in North-Western Europe: From Field Observations to Decision Support. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Gerrit W. Heil, Bart Muys, και Karin Hansen. Environmental Effects of Afforestation in North-Western Europe: From Field Observations to Decision Support. Dordrecht: Springer Netherlands, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Environmental Effects of Afforestation in North-Western Europe: From Field Observations to Decision Support. Springer Netherlands, 2007.