United States. Department of the Interior. (1919). Ohio plan for training of teachers and improvement of teachers in service. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Ohio Plan for Training of Teachers and Improvement of Teachers in Service. [Washington]: GPO, 1919.
MLA (9th ed.) CitationUnited States. Department of the Interior. Ohio Plan for Training of Teachers and Improvement of Teachers in Service. GPO, 1919.
Warning: These citations may not always be 100% accurate.