Bernstein, L. (1959). The professor and his sister: By Leon Bernstein. Lincolns-Prager.
Chicago-Zitierstil (17. Ausg.)Bernstein, Leon. The Professor and His Sister: By Leon Bernstein. London: Lincolns-Prager, 1959.
MLA-Zitierstil (8. Ausg.)Bernstein, Leon. The Professor and His Sister: By Leon Bernstein. Lincolns-Prager, 1959.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.