Dyfyniad APA

READER'S DIGEST ASSO. (1952). INVENTIONS THAT CHANGED THE WORLD. READERS DIGEST.

Dyfyniad Arddull Chicago

READER'S DIGEST ASSO. INVENTIONS THAT CHANGED THE WORLD. LONDON: READERS DIGEST, 1952.

Dyfyniad MLA

READER'S DIGEST ASSO. INVENTIONS THAT CHANGED THE WORLD. READERS DIGEST, 1952.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.