Nordirland Ministry of Education. (1956). Programme for primary schools. Her Majesty's Stationery Office.
Citazione stile Chigago Style (17a edizione)Nordirland Ministry of Education. Programme for Primary Schools. Belfast: Her Majesty's Stationery Office, 1956.
Citatione MLA (9a ed.)Nordirland Ministry of Education. Programme for Primary Schools. Her Majesty's Stationery Office, 1956.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.