Cairns-Smith, A. G. (1990). Seven clues to the origin of life: A scientific detective story. Cambridge [England],New York: Cambridge University Press.
Dyfyniad Arddull ChicagoCairns-Smith, A. G. Seven Clues to the Origin of Life: A Scientific Detective Story. Cambridge [England],New York: Cambridge University Press, 1990.
Dyfyniad MLACairns-Smith, A. G. Seven Clues to the Origin of Life: A Scientific Detective Story. Cambridge [England],New York: Cambridge University Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.