Luigi Agustoni (Agustoni, Luigi)

English

• 
  Einfuhrung in Die Interpretation Des Gregorianischen Chorals
  by Johannes Berchmans Goschl, Luigi Agustoni
  Hardcover, G. Bosse, ISBN 3764924306 (3-7649-2430-6)
• 
  An Introduction to the Interpretation of Gregorian Chant: Foundations
  by Columba Kelly, Johannes Berchmans Goschl
  Hardcover, Edwin Mellen Pr, ISBN 0773459936 (0-7734-5993-6)

German

• 
  Einfuhrung in Die Interpretation Des Gregorianischen Chorals
  by Johannes Berchmans Goschl, Luigi Agustoni
  Hardcover, G. Bosse, ISBN 3764923431 (3-7649-2343-1)