Odum, E. P., & Barrett, G. W. (2005). Fundamentals of ecology (Fifth edition.). Thomson Brooks/Cole.
Dyfyniad Arddull ChicagoOdum, Eugene Pleasants, and Gary W. Barrett. Fundamentals of Ecology. Fifth edition. Australia: Thomson Brooks/Cole, 2005.
Dyfyniad MLAOdum, Eugene Pleasants, and Gary W. Barrett. Fundamentals of Ecology. Fifth edition. Thomson Brooks/Cole, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.