Darlington,. (1969). The Evolution of man and society. George Allen and Unwin.
Dyfyniad Arddull ChicagoDarlington. The Evolution of Man and Society. London: George Allen and Unwin, 1969.
Dyfyniad MLADarlington. The Evolution of Man and Society. George Allen and Unwin, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.