Não informado. (1943). Education for Teaching. National Association of Teachers in Further and Higher Education.
Citação do estilo Chicago (17ª ed.)Não informado. Education for Teaching. London: National Association of Teachers in Further and Higher Education, 1943.
Citação MLA (8ª ed.)Não informado. Education for Teaching. National Association of Teachers in Further and Higher Education, 1943.
Atenció: Aquestes cites poden no estar 100% correctes.