Não informado. (1948). Education. Department of Education, School Publications Branch.
Chicago-Zitierstil (17. Ausg.)Não informado. Education. Wellington: Department of Education, School Publications Branch, 1948.
MLA-Zitierstil (8. Ausg.)Não informado. Education. Department of Education, School Publications Branch, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.