Schumach, M. (1981). The diamond people. Norton.
Cita Chicago (17th ed.)Schumach, Murray. The Diamond People. New York [u.a.]: Norton, 1981.
Cita MLA (8th ed.)Schumach, Murray. The Diamond People. Norton, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.