Clough, J., & Conley, J. (1984). Basic harmonic progressions: A self-instruction program. Norton.
Chicago Style (17th ed.) CitationClough, John, and Joyce Conley. Basic Harmonic Progressions: A Self-instruction Program. New York: Norton, 1984.
MLA (9th ed.) CitationClough, John, and Joyce Conley. Basic Harmonic Progressions: A Self-instruction Program. Norton, 1984.
Warning: These citations may not always be 100% accurate.