READER'S DIGEST ASSO. (1952). INVENTIONS THAT CHANGED THE WORLD. READERS DIGEST.
芝加哥风格引文READER'S DIGEST ASSO. INVENTIONS THAT CHANGED THE WORLD. LONDON: READERS DIGEST, 1952.
MLA引文READER'S DIGEST ASSO. INVENTIONS THAT CHANGED THE WORLD. READERS DIGEST, 1952.
警告：这些引文格式不一定是100％准确.