Eckstein, M. (1936). Techni-cues: Twelve tuneful technics for piano. Schroeder & Gunther.
Chicago Style aipamenaEckstein, Maxwell. Techni-cues: Twelve Tuneful Technics for Piano. New York: Schroeder & Gunther, 1936.
MLA aipamenaEckstein, Maxwell. Techni-cues: Twelve Tuneful Technics for Piano. Schroeder & Gunther, 1936.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.