Ruppert, E. E., Barnes, R. D., & Fox, R. S. (2004). Invertebrate zoology: Functional evolutionary approach (Seventh edition.). AUWSF (021179).
Dyfyniad Arddull ChicagoRuppert, Edward E., Robert D. Barnes, and Richard S. Fox. Invertebrate Zoology: Functional Evolutionary Approach. Seventh edition. Belmont: AUWSF (021179), 2004.
Dyfyniad MLARuppert, Edward E., et al. Invertebrate Zoology: Functional Evolutionary Approach. Seventh edition. AUWSF (021179), 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.