(1975). The nature of scientific discovery: A symposium commemorating the 500th anniversary of the birth of Nicolaus Copernicus. Washington: Smithsonian Institution Press.
Čikaški stil citiranjaThe Nature of Scientific Discovery: A Symposium Commemorating the 500th Anniversary of the Birth of Nicolaus Copernicus. Washington: Smithsonian Institution Press, 1975.
MLA način citiranjaThe Nature of Scientific Discovery: A Symposium Commemorating the 500th Anniversary of the Birth of Nicolaus Copernicus. Washington: Smithsonian Institution Press, 1975.
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