SpringerLink (Online service), Rozzi, R., Chapin III, F. S., Callicott, J. B., Pickett, S., Power, M. E., . . . May Jr., R. H. (2015). Earth Stewardship: Linking Ecology and Ethics in Theory and Practice. Springer International Publishing : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Ricardo Rozzi, F. Stuart Chapin III, J. Baird Callicott, S.T.A Pickett, Mary E. Power, Juan J. Armesto, και Roy H. May Jr. Earth Stewardship: Linking Ecology and Ethics in Theory and Practice. Cham: Springer International Publishing : Imprint: Springer, 2015.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Earth Stewardship: Linking Ecology and Ethics in Theory and Practice. Springer International Publishing : Imprint: Springer, 2015.
