Sears, M. E., & Fox, V. B. (2022). Sears list of subject headings (23rd edition.). Grey House Publishing, Inc.
Chicago-viite (17. p.)Sears, Minnie Earl, ja Violet B. Fox. Sears List of Subject Headings. 23rd edition. Amenia, NY: Grey House Publishing, Inc, 2022.
MLA-viite (9. p.)Sears, Minnie Earl, ja Violet B. Fox. Sears List of Subject Headings. 23rd edition. Grey House Publishing, Inc, 2022.
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