Marle, R. <. (1933). <<The>> Renaissance painters of Umbria: With 8 collotype plates and 326 illustrations.
Cita Chicago (17th ed.)Marle, Raymond <<van>>. <<The>> Renaissance Painters of Umbria: With 8 Collotype Plates and 326 Illustrations. The Hague, 1933.
Cita MLA (9th ed.)Marle, Raymond <<van>>. <<The>> Renaissance Painters of Umbria: With 8 Collotype Plates and 326 Illustrations. 1933.
Atenció: Aquestes cites poden no estar 100% correctes.