Dyfyniad APA

Harter, S. P. Online information retrieval concept, principles and techniques. Academic Press.

Dyfyniad Arddull Chicago

Harter, Stephen P. Online Information Retrieval Concept, Principles and Techniques. Academic Press.

Dyfyniad MLA

Harter, Stephen P. Online Information Retrieval Concept, Principles and Techniques. Academic Press.

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