Calvin, M. (1969). Chemical evolution: Molecular evolution towards the origin of living systems on the earth and elsewhere. Clarendon.
Dyfyniad Arddull ChicagoCalvin, Melvin. Chemical Evolution: Molecular Evolution Towards the Origin of Living Systems on the Earth and Elsewhere. Oxford: Clarendon, 1969.
Dyfyniad MLACalvin, Melvin. Chemical Evolution: Molecular Evolution Towards the Origin of Living Systems on the Earth and Elsewhere. Clarendon, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.