European Cultural Foundation & European Cultural Foundation. (1969). Europe 2000: Four study projects on the situation of man in the society of the 21st century : education, industrialization, urbanization, rural society. European Cultural Foundation.
Cytowanie według stylu Chicago (wyd. 17)European Cultural Foundation i European Cultural Foundation. Europe 2000: Four Study Projects on the Situation of Man in the Society of the 21st Century : Education, Industrialization, Urbanization, Rural Society. Amsterdam: European Cultural Foundation, 1969.
Cytowanie według stylu MLA (wyd. 9)European Cultural Foundation i European Cultural Foundation. Europe 2000: Four Study Projects on the Situation of Man in the Society of the 21st Century : Education, Industrialization, Urbanization, Rural Society. European Cultural Foundation, 1969.