Keller, S. (1963). Beyond the ruling class: Strategic elites in modern society. Random House.
Citazione stile Chigago Style (17a edizione)Keller, Suzanne. Beyond the Ruling Class: Strategic Elites in Modern Society. Nueva York: Random House, 1963.
Citatione MLA (9a ed.)Keller, Suzanne. Beyond the Ruling Class: Strategic Elites in Modern Society. Random House, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.