Doust, D. J. (1997). The expert witness. Ayer's Cliff, Quebec : Pachelle Inc..
Lua i Stíl Chicago (17ú heag.)Doust, David J. The Expert Witness. Ayer's Cliff, Quebec : Pachelle Inc., 1997.
Lua MLA (9ú heag.)Doust, David J. The Expert Witness. Ayer's Cliff, Quebec : Pachelle Inc., 1997.
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