SHores, L. (1939). Basic reference books: An introduction to the evaluation, study, and use of reference materials with special emphasis on some 300 titles (2nd ed.). American Library Association.
Citace podle Chicago (17th ed.)SHores, Louis. Basic Reference Books: An Introduction to the Evaluation, Study, and Use of Reference Materials with Special Emphasis on Some 300 Titles. 2nd ed. Chicago: American Library Association, 1939.
Citace podle MLA (9th ed.)SHores, Louis. Basic Reference Books: An Introduction to the Evaluation, Study, and Use of Reference Materials with Special Emphasis on Some 300 Titles. 2nd ed. American Library Association, 1939.
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