Hüllen, W. Networks and knowledge in Roget's Thesaurus. Oxford University Press.
Cita Chicago (17th ed.)Hüllen, Werner. Networks and Knowledge in Roget's Thesaurus. Oxford University Press.
Cita MLA (8th ed.)Hüllen, Werner. Networks and Knowledge in Roget's Thesaurus. Oxford University Press.
Atenció: Aquestes cites poden no estar 100% correctes.