Vavryk, M. (1955). Persha Khrestytelʹka Ukraïny Do 1000-litti︠a︡ khrystyi︠a︡nstva v Ukraïni. St. Marks Printing Corporation; Basilian Fathers Publishing.
Dyfyniad Arddull ChicagoVavryk, Mykhaĭlo. Persha Khrestytelʹka Ukraïny Do 1000-litti︠a︡ Khrystyi︠a︡nstva V Ukraïni. New York City: St. Marks Printing Corporation; Basilian Fathers Publishing, 1955.
Dyfyniad MLAVavryk, Mykhaĭlo. Persha Khrestytelʹka Ukraïny Do 1000-litti︠a︡ Khrystyi︠a︡nstva V Ukraïni. St. Marks Printing Corporation; Basilian Fathers Publishing, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.