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Norman, O.G.: ¬The reference interview : an annotated bibliography (1979)
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- Reference services review. 7(1979) no.1, S.71-77
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Norman, O.G.: Marketing reference services (1995)
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- Reference librarian. 1995, nos.49/50, S.45-60
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Norman, O.G.: Marketing libraries and information services. : an annotated guide to recent trends and development (1989)
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- Reference services review. 17(1989) no.1, S.43-64
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Norman, O.G.: ¬The impact of electronic information sources on collection development : a survey of current practice (1997)
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- Library hi tech. 15(1997) nos.1/2, S.123-132