Crombie, . A. C. (1969). Science in the later middle ages and early modern times, 13th to 17th centuries. Harmondsworth: Penguin.
Dyfyniad Arddull ChicagoCrombie, A. C. Science in the Later Middle Ages and Early Modern Times, 13th to 17th Centuries. Harmondsworth: Penguin, 1969.
Dyfyniad MLACrombie, A. C. Science in the Later Middle Ages and Early Modern Times, 13th to 17th Centuries. Harmondsworth: Penguin, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.