Dyfyniad APA

Ward, J. V. (1992). Aquatic insect ecology. New York: John Wiley & Sons, Inc.

Dyfyniad Arddull Chicago

Ward, J. V. Aquatic Insect Ecology. New York: John Wiley & Sons, Inc, 1992.

Dyfyniad MLA

Ward, J. V. Aquatic Insect Ecology. New York: John Wiley & Sons, Inc, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.