Iowa. State Board of Educational Examiners. Library manual for the public schools of Iowa. Prepared by State Board of Educational Examiners.
Chicago-viite (17. p.)Iowa. State Board of Educational Examiners. Library Manual for the Public Schools of Iowa. Des Moines, Iowa: Prepared by State Board of Educational Examiners.
MLA-viite (8. p.)Iowa. State Board of Educational Examiners. Library Manual for the Public Schools of Iowa. Prepared by State Board of Educational Examiners.
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