Walker, F. (1951). A Chronology of the Life and Works of Nicola Porpora. Italian Studies.
Chicago-Zitierstil (17. Ausg.)Walker, Frank. "A Chronology of the Life and Works of Nicola Porpora." Italian Studies 1951.
MLA-Zitierstil (8. Ausg.)Walker, Frank. "A Chronology of the Life and Works of Nicola Porpora." Italian Studies, 1951.
警告：這些引文格式不一定是100％准確.