Brown, J. H. (2007). Dangerous Undertaking (7th.). John Wiley.
Lua i Stíl Chicago (17ú heag.)Brown, James Harlow. Dangerous Undertaking. 7th. New Jersey: John Wiley, 2007.
Lua MLA (9ú heag.)Brown, James Harlow. Dangerous Undertaking. 7th. John Wiley, 2007.
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