Não informado. (1977). Evaluation in Education International Progress. Pergamon Press.
Style de citation Chicago (17e éd.)Não informado. Evaluation in Education International Progress. New York: Pergamon Press, 1977.
Style de citation MLA (8e éd.)Não informado. Evaluation in Education International Progress. Pergamon Press, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.