Henrikson, A. (1983). Through the Ages (NA.). Orbis Publishing Limited.
Dyfyniad Arddull ChicagoHenrikson, Alf. Through the Ages. NA. Great Britain: Orbis Publishing Limited, 1983.
Dyfyniad MLAHenrikson, Alf. Through the Ages. NA. Orbis Publishing Limited, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.