Spring, J. H. (1978). American education: An introduction to social and political aspects. Longman.
Citazione stile Chigago Style (17a edizione)Spring, Joel H.. American Education: An Introduction to Social and Political Aspects. New York ; London: Longman, 1978.
Citatione MLA (9a ed.)Spring, Joel H.. American Education: An Introduction to Social and Political Aspects. Longman, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.