Reese, E. S., & Lighter, F. J. (1978). Contrasts in behaviour: : Adaptations in the aquatic and terrestrial environments. A Wiley interscience.
Dyfyniad Arddull ChicagoReese, Ernst S., and Frederick J. Lighter. Contrasts in Behaviour: : Adaptations in the Aquatic and Terrestrial Environments. New York: A Wiley interscience, 1978.
Dyfyniad MLAReese, Ernst S., and Frederick J. Lighter. Contrasts in Behaviour: : Adaptations in the Aquatic and Terrestrial Environments. A Wiley interscience, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.