Howard, B. (1975). Fundamentals of music theory: A program (2nd edition.). Harcourt Brace Jovanovich.
芝加哥风格引文Howard, Bertrand. Fundamentals of Music Theory: A Program. 2nd edition. New York: Harcourt Brace Jovanovich, 1975.
MLA引文Howard, Bertrand. Fundamentals of Music Theory: A Program. 2nd edition. Harcourt Brace Jovanovich, 1975.
警告：这些引文格式不一定是100％准确.