Morris, B. (1977). Some aspects of professional freedom of teachers: An international pilot inquiry. Unesco.
Citazione stile Chigago Style (17a edizione)Morris, Ben. Some Aspects of Professional Freedom of Teachers: An International Pilot Inquiry. Paris: Unesco, 1977.
Citatione MLA (9a ed.)Morris, Ben. Some Aspects of Professional Freedom of Teachers: An International Pilot Inquiry. Unesco, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.