Cita APA

Houghton, S. 1., Warrington, T. 1., & Fraser, J. (1994). Keyboard: Electronic keyboard, synthesizer or acoustic piano. USA: Alfred Publishing Co., Inc..

Citación estilo Chicago

Houghton, Steve 1954-, Tom 1952- Warrington, y Julia Fraser. Keyboard: Electronic Keyboard, Synthesizer or Acoustic Piano. USA: Alfred Publishing Co., Inc., 1994.

Cita MLA

Houghton, Steve 1954-, Tom 1952- Warrington, y Julia Fraser. Keyboard: Electronic Keyboard, Synthesizer or Acoustic Piano. USA: Alfred Publishing Co., Inc., 1994.