Dyfyniad APA

Frid, C., & Dobson, M. (2002). Ecology of aquatic management. Pearson Education.

Dyfyniad Arddull Chicago

Frid, Chris, and Mike Dobson. Ecology of Aquatic Management. New York: Pearson Education, 2002.

Dyfyniad MLA

Frid, Chris, and Mike Dobson. Ecology of Aquatic Management. Pearson Education, 2002.

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