Παραπομπή σε μορφή APA (7η εκδ.)

Popper, D., & Schmidt, B. Studies preparatory to the high school ("Hohe Schule") of cello playing, opus 76. International Music.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Popper, David, και Bernhard Schmidt. Studies Preparatory to the High School ("Hohe Schule") of Cello Playing, Opus 76. New York: International Music.

Παραπομπή σε μορφή MLA (9th εκδ.)

Popper, David, και Bernhard Schmidt. Studies Preparatory to the High School ("Hohe Schule") of Cello Playing, Opus 76. International Music.