Dyfyniad APA

Dale, V. H. (2003). Ecological modeling for resource management. New York: Springer.

Dyfyniad Arddull Chicago

Dale, Virginia H. Ecological Modeling for Resource Management. New York: Springer, 2003.

Dyfyniad MLA

Dale, Virginia H. Ecological Modeling for Resource Management. New York: Springer, 2003.

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