Müller, J. F., & Rusch, H. W. (1967). Müller-Rusch string method for class or individual instruction: Viola. Neil A. Kjos Music Co., Publisher.
芝加哥风格引文Müller, J. Frederick, 与 Harold W. Rusch. Müller-Rusch String Method for Class or Individual Instruction: Viola. Park Ridge, IL: Neil A. Kjos Music Co., Publisher, 1967.
MLA引文Müller, J. Frederick, 与 Harold W. Rusch. Müller-Rusch String Method for Class or Individual Instruction: Viola. Neil A. Kjos Music Co., Publisher, 1967.
警告：这些引文格式不一定是100％准确.