Schipma, P. B. (1976). Research Toward Enhancing Retrieval Effectiveness.
Chicago Style (17th ed.) CitationSchipma, Peter B. Research Toward Enhancing Retrieval Effectiveness. 1976.
MLA (9th ed.) CitationSchipma, Peter B. Research Toward Enhancing Retrieval Effectiveness. 1976.
Warning: These citations may not always be 100% accurate.