Keller, F. J. (1948). Principles of vocational education: The primary of the person. D.C. Health and Co.
Chicago Style (17th ed.) CitationKeller, Franklin J. Principles of Vocational Education: The Primary of the Person. D.C. Health and Co, 1948.
MLA (8th ed.) CitationKeller, Franklin J. Principles of Vocational Education: The Primary of the Person. D.C. Health and Co, 1948.
Warning: These citations may not always be 100% accurate.