ebrary, Inc, & Henshaw, R. E. (2011). Environmental history of the Hudson River: Human uses that changed the ecology, ecology that changed human uses. State University of New York Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)ebrary, Inc, και Robert E. Henshaw. Environmental History of the Hudson River: Human Uses That Changed the Ecology, Ecology That Changed Human Uses. Albany: State University of New York Press, 2011.
Παραπομπή σε μορφή MLA (9th εκδ.)ebrary, Inc, και Robert E. Henshaw. Environmental History of the Hudson River: Human Uses That Changed the Ecology, Ecology That Changed Human Uses. State University of New York Press, 2011.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.