Title : Ecology and plant life, Walters, M., & Holme, M. (1993). A Prentice-Hall illustrated dictionary: Ecology and plant life. Prentice-Hall General Reference.
Dyfyniad Arddull ChicagoTitle : Ecology and plant life, Martin Walters, and Marilyn Holme. A Prentice-Hall Illustrated Dictionary: Ecology and Plant Life. New York: Prentice-Hall General Reference, 1993.
Dyfyniad MLATitle : Ecology and plant life, et al. A Prentice-Hall Illustrated Dictionary: Ecology and Plant Life. Prentice-Hall General Reference, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.