Mozart, J. C. W. A. 16 easy quartets, for two violins, viola and cello. E. Kalmus.
芝加哥风格引文Mozart, Johann Chrysostom Wolfgang Amadeus. 16 Easy Quartets, for Two Violins, Viola and Cello. New York: E. Kalmus.
MLA引文Mozart, Johann Chrysostom Wolfgang Amadeus. 16 Easy Quartets, for Two Violins, Viola and Cello. E. Kalmus.
警告：这些引文格式不一定是100％准确.