Roberts, R. M. (1989). Serendipity: accidental discoveries: In science. Wiley.
Cita Chicago (17th ed.)Roberts, Royston M. Serendipity: Accidental Discoveries: In Science. New York: Wiley, 1989.
Cita MLA (9th ed.)Roberts, Royston M. Serendipity: Accidental Discoveries: In Science. Wiley, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.