Não informado. (1970). Measurement in education. National Council on Measurement in Education.
Citação do estilo Chicago (17ª ed.)Não informado. Measurement in Education. Lansing, Mich: National Council on Measurement in Education, 1970.
Citação MLA (8ª ed.)Não informado. Measurement in Education. National Council on Measurement in Education, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.