Cita APA (7th ed.)

Lorse, B., & Bonelli, A. (2016). Warm-ups before singing: The handbook : 150 warm-ups for choirs and soloists. Fidelio-Verlag.

Cita Chicago (17th ed.)

Lorse, Benedikt, i Anna Bonelli. Warm-ups Before Singing: The Handbook : 150 Warm-ups for Choirs and Soloists. Gerolstein: Fidelio-Verlag, 2016.

Cita MLA (9th ed.)

Lorse, Benedikt, i Anna Bonelli. Warm-ups Before Singing: The Handbook : 150 Warm-ups for Choirs and Soloists. Fidelio-Verlag, 2016.