FELDMAN, A. (1979). Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File.
Čikaški stil citiranja (17. izdanje)FELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
MLA način citiranja (8. izdanje)FELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
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