Suominen, V. (1997). Filling empty space: A treatise on semiotic structures in information retrieval, in documentation, and in related research. Oulun Yliopisto.
Chicago-Zitierstil (17. Ausg.)Suominen, Vesa. Filling Empty Space: A Treatise on Semiotic Structures in Information Retrieval, in Documentation, and in Related Research. Oulu: Oulun Yliopisto, 1997.
MLA-Zitierstil (9. Ausg.)Suominen, Vesa. Filling Empty Space: A Treatise on Semiotic Structures in Information Retrieval, in Documentation, and in Related Research. Oulun Yliopisto, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.