Dyfyniad APA

(1971). Systems analysis and simulation in ecology. Academic Press.

Dyfyniad Arddull Chicago

Systems Analysis and Simulation in Ecology. New York: Academic Press, 1971.

Dyfyniad MLA

Systems Analysis and Simulation in Ecology. Academic Press, 1971.

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