Deighton, L. (1988). Spy hook. Hutchinson, Ballantine Books.
Lua i Stíl Chicago (17ú heag.)Deighton, Len. Spy Hook. London : New York: Hutchinson, Ballantine Books, 1988.
Lua MLA (8ú heag.)Deighton, Len. Spy Hook. Hutchinson, Ballantine Books, 1988.
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