McCormick, D. (1973). The Master book of spies, the world of espionage, master spices, tortures, interrogations, spy equipment escapes, codes and hou you can become a spy. Hodder caugton.
Dyfyniad Arddull ChicagoMcCormick, Donald. The Master Book of Spies, the World of Espionage, Master Spices, Tortures, Interrogations, Spy Equipment Escapes, Codes and Hou You Can Become a Spy. London: Hodder caugton, 1973.
Dyfyniad MLAMcCormick, Donald. The Master Book of Spies, the World of Espionage, Master Spices, Tortures, Interrogations, Spy Equipment Escapes, Codes and Hou You Can Become a Spy. Hodder caugton, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.