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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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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