Crowther, J. Soviet Science. Penguin Books.
Cita Chicago Style (17a ed.)Crowther, J.G. Soviet Science. Nueva York: Penguin Books.
Cita MLA (8a ed.)Crowther, J.G. Soviet Science. Penguin Books.
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Crowther, J. Soviet Science. Penguin Books.
Cita Chicago Style (17a ed.)Crowther, J.G. Soviet Science. Nueva York: Penguin Books.
Cita MLA (8a ed.)Crowther, J.G. Soviet Science. Penguin Books.