Hersey, M. D. (2011). My work is that of conservation: An environmental biography of George Washington Carver. University of Georgia Press.
Dyfyniad Arddull ChicagoHersey, Mark D. My Work Is That of Conservation: An Environmental Biography of George Washington Carver. Athens, Ga.: University of Georgia Press, 2011.
Dyfyniad MLAHersey, Mark D. My Work Is That of Conservation: An Environmental Biography of George Washington Carver. University of Georgia Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.