Habel, D. M. (1981). Piazza S.Ignazio, Rome, in the 17th and 18th Centuries. architectura.
Chicagoスタイル(17版)引用形式Habel, Dorothy Metzger. "Piazza S.Ignazio, Rome, in the 17th and 18th Centuries." Architectura 1981.
MLA(8版)引用形式Habel, Dorothy Metzger. "Piazza S.Ignazio, Rome, in the 17th and 18th Centuries." Architectura, 1981.
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