KNIGHT SUE. (1999). NLP SOLUTIONS. NICHOLAS B, PUB.
Lua i Stíl Chicago (17ú heag.)KNIGHT SUE. NLP SOLUTIONS. LONDON: NICHOLAS B, PUB, 1999.
Lua MLA (9ú heag.)KNIGHT SUE. NLP SOLUTIONS. NICHOLAS B, PUB, 1999.
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