Παραπομπή σε μορφή APA (7η εκδ.)

Berry, M. W., & Browne, M. (1999). Understanding search engines: Mathematical modeling and text retrieval. 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. Philadelphia, PA: Society for Industrial and Applied Mathematics, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Berry, Michael W., και Murray Browne. Understanding Search Engines: Mathematical Modeling and Text Retrieval. Society for Industrial and Applied Mathematics, 1999.