Zafran, E. M. (1988). Fifty old master paintings from the walters art gallery. Trustees of the Walters Art Gallery.
Chicago-viite (17. p.)Zafran, Eric M. Fifty Old Master Paintings from the Walters Art Gallery. Baltimore: Trustees of the Walters Art Gallery, 1988.
MLA-viite (9. p.)Zafran, Eric M. Fifty Old Master Paintings from the Walters Art Gallery. Trustees of the Walters Art Gallery, 1988.
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