Dyfyniad APA
Lappin, P. M. (1990). Stories of Don Bosco: The life of St. John Bosco told in story form (2 ed.). Salesiana Publishers.
Dyfyniad Arddull Chicago
Lappin, Peter M. Stories of Don Bosco: The Life of St. John Bosco Told in Story Form. 2 ed. New Rochelle, New York: Salesiana Publishers, 1990.
Dyfyniad MLA
Lappin, Peter M. Stories of Don Bosco: The Life of St. John Bosco Told in Story Form. 2 ed. Salesiana Publishers, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.