Παραπομπή σε μορφή APA (7η εκδ.)

Berry, M. W., & Browne, M. (2005). Understanding search engines: Mathematical modeling and text retrieval (2nd ed.). SIAM, Society for Industrial and Applied Mathematics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Berry, Michael W., και Murray Browne. Understanding Search Engines: Mathematical Modeling and Text Retrieval. 2nd ed. Philadelphia, PA: SIAM, Society for Industrial and Applied Mathematics, 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Berry, Michael W., και Murray Browne. Understanding Search Engines: Mathematical Modeling and Text Retrieval. 2nd ed. SIAM, Society for Industrial and Applied Mathematics, 2005.