Hüllen, W. Roget's thesaurus, deconstructed: Werner Hüllen. Historical dictionaries and historical dictionary research : papers from the International Conference on Historical Lexicography and Lexicology, at the University of Leicester, 2002.(2004).
Lua i Stíl Chicago (17ú heag.)Hüllen, Werner. "Roget's Thesaurus, Deconstructed: Werner Hüllen." Historical Dictionaries and Historical Dictionary Research : Papers from the International Conference on Historical Lexicography and Lexicology, at the University of Leicester, 2002.(2004) .
Lua MLA (8ú heag.)Hüllen, Werner. "Roget's Thesaurus, Deconstructed: Werner Hüllen." Historical Dictionaries and Historical Dictionary Research : Papers from the International Conference on Historical Lexicography and Lexicology, at the University of Leicester, 2002.(2004), .