Παραπομπή APA

Ingwerson, P. (2012). Scientometric indicators and webometrics and the poly representation principle information retrieval. Ess Ess.

Παραπομπή Chicago Style

Ingwerson, Peter. Scientometric Indicators and Webometrics and the Poly Representation Principle Information Retrieval. New Delhi: Ess Ess, 2012.

Παραπομπή MLA

Ingwerson, Peter. Scientometric Indicators and Webometrics and the Poly Representation Principle Information Retrieval. Ess Ess, 2012.