APA
Taylor E., Associated Board of the Royal Schools of Music, . (1989). The AB guide to music theory. London: Associated Board of the Royal Schools of Music.
Chicago
Taylor Eric, Associated Board of the Royal Schools of Music, . 1989. The AB guide to music theory. London: Associated Board of the Royal Schools of Music.
Harvard
Taylor E., Associated Board of the Royal Schools of Music, . (1989). The AB guide to music theory. London: Associated Board of the Royal Schools of Music.
MLA
Taylor Eric, Associated Board of the Royal Schools of Music, . The AB guide to music theory. London: Associated Board of the Royal Schools of Music. 1989.
