Zafran, E. M. (1988). Fifty old master paintings from the walters art gallery. Trustees of the Walters Art Gallery.
芝加哥风格引文Zafran, Eric M. Fifty Old Master Paintings from the Walters Art Gallery. Baltimore: Trustees of the Walters Art Gallery, 1988.
MLA引文Zafran, Eric M. Fifty Old Master Paintings from the Walters Art Gallery. Trustees of the Walters Art Gallery, 1988.
警告：这些引文格式不一定是100％准确.