Citazione Stile APA (7a Edizione)

Ingenkamp, K. (1969). Developments in educational testing: The proceedings of an international conference held under the aegis of the padagogisches Zentrun, Berlin. University of London Pr..

Citazione stile Chigago Style (17a edizione)

Ingenkamp, Karlheinz. Developments in Educational Testing: The Proceedings of an International Conference Held Under the Aegis of the Padagogisches Zentrun, Berlin. London: University of London Pr., 1969.

Citatione MLA (9a ed.)

Ingenkamp, Karlheinz. Developments in Educational Testing: The Proceedings of an International Conference Held Under the Aegis of the Padagogisches Zentrun, Berlin. University of London Pr., 1969.