Gaya APA
Singh, Simon. (2000).
Code Book, The: The Secret Hostory of Codes and Code-Breaking .
London:
Four Estate.
Gaya Chicago
Singh, Simon.
Code Book, The: The Secret Hostory of Codes and Code-Breaking.
London:
Four Estate,
2000.
Text.
Gaya MLA
Singh, Simon.
Code Book, The: The Secret Hostory of Codes and Code-Breaking.
London:
Four Estate,
2000.
Text.
Gaya Turabian
Singh, Simon.
Code Book, The: The Secret Hostory of Codes and Code-Breaking.
London:
Four Estate,
2000.
Print.