Barnes,R SK, & Mann,K H. (1993). Fundamentals of aquatic ecology (2.). Oxford Blackwell Scientific Publications.
Dyfyniad Arddull ChicagoBarnes,R SK, and Mann,K H. Fundamentals of Aquatic Ecology. 2. Oxford Blackwell Scientific Publications, 1993.
Dyfyniad MLABarnes,R SK, and Mann,K H. Fundamentals of Aquatic Ecology. 2. Oxford Blackwell Scientific Publications, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.