United States. Department of the Interior. (1922). Helping shop teacher through supervision. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Helping Shop Teacher Through Supervision. [Washington]: GPO, 1922.
MLA (9th ed.) CitationUnited States. Department of the Interior. Helping Shop Teacher Through Supervision. GPO, 1922.
Warning: These citations may not always be 100% accurate.