Duey, P. A. (2012). Bel canto in its golden age: A study of its teaching concepts. [Read?].
芝加哥风格引文Duey, Philip A. Bel Canto in Its Golden Age: A Study of Its Teaching Concepts. [Alcester?]: [Read?], 2012.
MLA引文Duey, Philip A. Bel Canto in Its Golden Age: A Study of Its Teaching Concepts. [Read?], 2012.
警告：这些引文格式不一定是100％准确.