Gould, C., & Titian, c. (1969). Titian. Hamlyn.
Chicago Style aipamenaGould, Cecil, and ca Titian. Titian. London, New York: Hamlyn, 1969.
MLA aipamenaGould, Cecil, and ca Titian. Titian. Hamlyn, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.