ebrary, Inc, Verdi, G., & Busch, H. (1978). Verdi's Aida: The history of an opera in letters and documents. University of Minnesota Press.
芝加哥风格引文ebrary, Inc, Giuseppe Verdi, 与 Hans Busch. Verdi's Aida: The History of an Opera in Letters and Documents. Minneapolis: University of Minnesota Press, 1978.
MLA引文ebrary, Inc, et al. Verdi's Aida: The History of an Opera in Letters and Documents. University of Minnesota Press, 1978.
警告：这些引文格式不一定是100％准确.