Milne, L. J., & Milne,Margery. (1965). The Biotic world and man (3rd ed.). Prentice-Hall.
Dyfyniad Arddull ChicagoMilne, Lorus J., and Milne,Margery. The Biotic World and Man. 3rd ed. USA: Prentice-Hall, 1965.
Dyfyniad MLAMilne, Lorus J., and Milne,Margery. The Biotic World and Man. 3rd ed. Prentice-Hall, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.