Allen, F. L. 1. (1966). The lords of creation. Quadrangle Books.
Dyfyniad Arddull ChicagoAllen, Frederick Lewis 1890. The Lords of Creation. Chicago: Quadrangle Books, 1966.
Dyfyniad MLAAllen, Frederick Lewis 1890. The Lords of Creation. Quadrangle Books, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.