Dyfyniad APA
Adelstein, M. E., & Pival, J. G. (1972). Ecocide and population. St. Martin's Press.
Dyfyniad Arddull Chicago
Adelstein, Michael E., and Jean G. Pival. Ecocide and Population. New York: St. Martin's Press, 1972.
Dyfyniad MLA
Adelstein, Michael E., and Jean G. Pival. Ecocide and Population. St. Martin's Press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.