APA-referens (7:e uppl.)

Cole, B. (1976). Giotto and florentine painting, 1280-1375. Harper and Row.

Chicago-referens (17:e uppl.)

Cole, Bruce. Giotto and Florentine Painting, 1280-1375. London: Harper and Row, 1976.

MLA-referens (9:e uppl.)

Cole, Bruce. Giotto and Florentine Painting, 1280-1375. Harper and Row, 1976.