FELDMAN, A. (1979). Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File.
Chicago-viite (17. p.)FELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
MLA-viite (8. p.)FELDMAN, Anthony. Scientist And Inventors Anthony Feldman And Peter Ford. Facts On File, 1979.
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