Iowa. State Board of Educational Examiners. Library manual for the public schools of Iowa. Prepared by State Board of Educational Examiners.
Chicago-referens (17:e uppl.)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-referens (8:e uppl.)Iowa. State Board of Educational Examiners. Library Manual for the Public Schools of Iowa. Prepared by State Board of Educational Examiners.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.