Beal, G. M. (1962). Leadership and dynamic group action. Iowa State University Press.
Citazione stile Chigago Style (17a edizione)Beal, George M. Leadership and Dynamic Group Action. Ames: Iowa State University Press, 1962.
Citatione MLA (9a ed.)Beal, George M. Leadership and Dynamic Group Action. Iowa State University Press, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.