Armstrong, H. W. (1979). The wonderful world tomorrow what it will be like. Everest House.
Chicago Style (17th ed.) CitationArmstrong, Herbert W. The Wonderful World Tomorrow What It Will Be like. New York: Everest House, 1979.
MLA citiranjeArmstrong, Herbert W. The Wonderful World Tomorrow What It Will Be like. Everest House, 1979.
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