Barbe, W. B., & Stephens, T. M. (1961). Educating tomorrow's leaders. State Board of Education.
Citazione stile Chigago Style (17a edizione)Barbe, Walter Burke, e Thomas M. Stephens. Educating Tomorrow's Leaders. Columbus, Ohio: State Board of Education, 1961.
Citatione MLA (9a ed.)Barbe, Walter Burke, e Thomas M. Stephens. Educating Tomorrow's Leaders. State Board of Education, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.