APA (7e ed.) Bronvermelding

Friedlander, C. (2018). Complete vocal fitness: A singer's guide to physical training, anatomy, and biomechanics. Rowman & Littlefield.

Chicago (17e ed.) Bronvermelding

Friedlander, Claudia. Complete Vocal Fitness: A Singer's Guide to Physical Training, Anatomy, and Biomechanics. Lanham, Maryland: Rowman & Littlefield, 2018.

MLA (9e ed.) Bronvermelding

Friedlander, Claudia. Complete Vocal Fitness: A Singer's Guide to Physical Training, Anatomy, and Biomechanics. Rowman & Littlefield, 2018.