Petre, M. D. (1896). Aethiopum servus: A study in Christian altruism. Osgood, McIlvaine.
Dyfyniad Arddull ChicagoPetre, Maude Dominica. Aethiopum Servus: A Study in Christian Altruism. London: Osgood, McIlvaine, 1896.
Dyfyniad MLAPetre, Maude Dominica. Aethiopum Servus: A Study in Christian Altruism. Osgood, McIlvaine, 1896.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.