READER'S DIGEST ASSO. (1952). INVENTIONS THAT CHANGED THE WORLD. READERS DIGEST.
Chicago-čujuhus (17. p.)READER'S DIGEST ASSO. INVENTIONS THAT CHANGED THE WORLD. LONDON: READERS DIGEST, 1952.
MLA-čujuhus (9. p.)READER'S DIGEST ASSO. INVENTIONS THAT CHANGED THE WORLD. READERS DIGEST, 1952.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.