Rugoff, R. (2000). Touched by your presence: Ralph Rugoff on invisibility in art. frieze.
Chicago-Zitierstil (17. Ausg.)Rugoff, Ralph. "Touched by Your Presence: Ralph Rugoff on Invisibility in Art." Frieze 2000.
MLA-Zitierstil (8. Ausg.)Rugoff, Ralph. "Touched by Your Presence: Ralph Rugoff on Invisibility in Art." Frieze, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.