Bruce, R. V. (1973). Bell: Alexander Graham Bell and the conquest of solitude. Boston: Little, Brown.
Chicago Stili AlıntıBruce, Robert V. Bell: Alexander Graham Bell and the Conquest of Solitude. Boston: Little, Brown, 1973.
MLA AlıntıBruce, Robert V. Bell: Alexander Graham Bell and the Conquest of Solitude. Boston: Little, Brown, 1973.
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