Não informado. Trends in education. Department of Education and Science.
Citação do estilo Chicago (17ª ed.)Não informado. Trends in Education. London: Department of Education and Science.
Citação MLA (8ª ed.)Não informado. Trends in Education. Department of Education and Science.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.