(1982). The inventions that changed the world: A reader's digest guide to man's creative genius through the ages. New York: Readers' Digest Association.
শিকাগো স্টাইলে সাইটেশনThe Inventions That Changed the World: A Reader's Digest Guide to Man's Creative Genius Through the Ages. New York: Readers' Digest Association, 1982.
এমএলএ সাইটেশনThe Inventions That Changed the World: A Reader's Digest Guide to Man's Creative Genius Through the Ages. New York: Readers' Digest Association, 1982.
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