Roberts, R. M. (1989). Serendipity: accidental discoveries: In science. Wiley.
Tohutoru Kātū Chicago (17th ed.)Roberts, Royston M. Serendipity: Accidental Discoveries: In Science. New York: Wiley, 1989.
Tohutoro MLA (9th ed.)Roberts, Royston M. Serendipity: Accidental Discoveries: In Science. Wiley, 1989.
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