(1969). Developments in educational testing / edited by Karlheinz Ingenkamp.
Cita Chicago (17th ed.)Developments in Educational Testing / Edited by Karlheinz Ingenkamp. 1969.
Cita MLA (9th ed.)Developments in Educational Testing / Edited by Karlheinz Ingenkamp. 1969.
Atenció: Aquestes cites poden no estar 100% correctes.