APA استشهاد

Ridley, D. D. (2009). Information retrieval: :scifinder (2nd ed.). John Wiley.

استشهاد بنمط شيكاغو

Ridley, Damon D. Information Retrieval: :scifinder. 2nd ed. Chichester: John Wiley, 2009.

MLA استشهاد

Ridley, Damon D. Information Retrieval: :scifinder. 2nd ed. John Wiley, 2009.