Παραπομπή σε μορφή APA (7η εκδ.)

Lieberam-Schmidt, S. (2010). Analyzing and Influencing Search Engine Results: Business and Technology Impacts on Web Information Retrieval. Gabler.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lieberam-Schmidt, Sönke. Analyzing and Influencing Search Engine Results: Business and Technology Impacts on Web Information Retrieval. Wiesbaden: Gabler, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lieberam-Schmidt, Sönke. Analyzing and Influencing Search Engine Results: Business and Technology Impacts on Web Information Retrieval. Gabler, 2010.