Douglass, H. R. (1963). Modern administration of secondary schools: Organization and administration of junior and senior high schools (2d ed.). Ginn.
Citazione stile Chigago Style (17a edizione)Douglass, Harl Roy. Modern Administration of Secondary Schools: Organization and Administration of Junior and Senior High Schools. 2d ed. Boston: Ginn, 1963.
Citatione MLA (9a ed.)Douglass, Harl Roy. Modern Administration of Secondary Schools: Organization and Administration of Junior and Senior High Schools. 2d ed. Ginn, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.