Lefkoff, G. (1984). The elements of tonal harmony. Glyphic Press.
芝加哥风格引文Lefkoff, Gerald. The Elements of Tonal Harmony. Morgantown, W. Va: Glyphic Press, 1984.
MLA引文Lefkoff, Gerald. The Elements of Tonal Harmony. Glyphic Press, 1984.
警告：这些引文格式不一定是100％准确.