American Vocational Association, Pratzner, F. C., & Walker, J. P. (1972). Programmatic research and development in education: Positions, problems, propositions.
Chicago Style (17th ed.) CitationAmerican Vocational Association, Frank C. Pratzner, and Jerry P. Walker. Programmatic Research and Development in Education: Positions, Problems, Propositions. 1972.
MLA (9th ed.) CitationAmerican Vocational Association, et al. Programmatic Research and Development in Education: Positions, Problems, Propositions. 1972.
Warning: These citations may not always be 100% accurate.