FELDMAN, A. (1979). Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File.
Lua i Stíl Chicago (17ú heag.)FELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
Lua MLA (8ú heag.)FELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
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