Citace podle APA

Ingpen, R., & Wilkinson, P. (1993). Encyclopedia of Ideas that Changed the World: The Greatest Discoveries and Inventions of Human History. Dragons World.

Styl Chicago

Ingpen, Robert, a Philip Wilkinson. Encyclopedia of Ideas That Changed the World: The Greatest Discoveries and Inventions of Human History. Limpsfield: Dragons World, 1993.

Citace podle MLA

Ingpen, Robert, a Philip Wilkinson. Encyclopedia of Ideas That Changed the World: The Greatest Discoveries and Inventions of Human History. Dragons World, 1993.

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