Caduto, M. J. (1990). Pond and brook: A guide to nature in freshwater environments. University Press of New England.
Dyfyniad Arddull ChicagoCaduto, Michael J. Pond and Brook: A Guide to Nature in Freshwater Environments. Hanover, NH: University Press of New England, 1990.
Dyfyniad MLACaduto, Michael J. Pond and Brook: A Guide to Nature in Freshwater Environments. University Press of New England, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.