Jones, W. G. (1973). A Time-Series Sample Approach for Measuring Use in a Small Library.
Citazione stile Chigago Style (17a edizione)Jones, William G. A Time-Series Sample Approach for Measuring Use in a Small Library. 1973.
Citatione MLA (9a ed.)Jones, William G. A Time-Series Sample Approach for Measuring Use in a Small Library. 1973.
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