Popper, D., & Schmidt, B. Studies preparatory to the high school ("Hohe Schule") of cello playing, opus 76. International Music.
Цитирование в стиле Чикаго (17-е изд.)Popper, David, и Bernhard Schmidt. Studies Preparatory to the High School ("Hohe Schule") of Cello Playing, Opus 76. New York: International Music.
Цитирование MLA (9-е изд.)Popper, David, и Bernhard Schmidt. Studies Preparatory to the High School ("Hohe Schule") of Cello Playing, Opus 76. International Music.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.