Cita APA (7th ed.)
Williamson, N. J., & Beghtol, C. Knowledge Organization and Classification in International Information Retrieval. Haworth.
Cita Chicago (17th ed.)
Williamson, Nancy J., i Clare Beghtol. Knowledge Organization and Classification in International Information Retrieval. Nueva York, EUA: Haworth.
Cita MLA (9th ed.)
Williamson, Nancy J., i Clare Beghtol. Knowledge Organization and Classification in International Information Retrieval. Haworth.
Atenció: Aquestes cites poden no estar 100% correctes.