Dyfyniad APA

Douglas, R. L. (1944). Leonardo da Vinci: His life and his pictures. The University of Chicago Press.

Dyfyniad Arddull Chicago

Douglas, R. Langton. Leonardo Da Vinci: His Life and His Pictures. Chicago: The University of Chicago Press, 1944.

Dyfyniad MLA

Douglas, R. Langton. Leonardo Da Vinci: His Life and His Pictures. The University of Chicago Press, 1944.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.