Skaug, E. S. (1994). Punch marks from Giotto to Fra Angelico: Attribution, chronology, and workshop relationships in Tuscan panel painting ; with particular consideration to Florence, c. 1330 - 1430. IIC-Nordic Group.
Chicago-Zitierstil (17. Ausg.)Skaug, Erling S. Punch Marks from Giotto to Fra Angelico: Attribution, Chronology, and Workshop Relationships in Tuscan Panel Painting ; with Particular Consideration to Florence, C. 1330 - 1430. Oslo: IIC-Nordic Group, 1994.
MLA-Zitierstil (9. Ausg.)Skaug, Erling S. Punch Marks from Giotto to Fra Angelico: Attribution, Chronology, and Workshop Relationships in Tuscan Panel Painting ; with Particular Consideration to Florence, C. 1330 - 1430. IIC-Nordic Group, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.