APA-referens (7:e uppl.)

Cole, B. (1980). Sienese painting: From its origins to the fifteenth century (First edition.). Harper & Row.

Chicago-referens (17:e uppl.)

Cole, Bruce. Sienese Painting: From Its Origins to the Fifteenth Century. First edition. New York: Harper & Row, 1980.

MLA-referens (9:e uppl.)

Cole, Bruce. Sienese Painting: From Its Origins to the Fifteenth Century. First edition. Harper & Row, 1980.