Odum, E. (1996). Fundamentals of ecology/3rd ed (3rd ed.). Natraj Publishers.
Dyfyniad Arddull ChicagoOdum, Eugene. Fundamentals of Ecology/3rd Ed. 3rd ed. Dehradun: Natraj Publishers, 1996.
Dyfyniad MLAOdum, Eugene. Fundamentals of Ecology/3rd Ed. 3rd ed. Natraj Publishers, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.