United States. Federal Board for Vocational Education. (1929). Principles in making vocational course of study in agriculture in high school: Objectives, procedure, and criteria to be observed in formulating agricultural part of vocational curriculum in high school. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Board for Vocational Education. Principles in Making Vocational Course of Study in Agriculture in High School: Objectives, Procedure, and Criteria to Be Observed in Formulating Agricultural Part of Vocational Curriculum in High School. [Washington]: GPO, 1929.
MLA (9th ed.) CitationUnited States. Federal Board for Vocational Education. Principles in Making Vocational Course of Study in Agriculture in High School: Objectives, Procedure, and Criteria to Be Observed in Formulating Agricultural Part of Vocational Curriculum in High School. GPO, 1929.