Organisation for Economic Co-operation and Development. Directorate for Scientific Affairs. (1968). Educational policy and planning: Austria. O.E.C.D..
Chicago Style (17. basım) AtıfOrganisation for Economic Co-operation and Development. Directorate for Scientific Affairs. Educational Policy and Planning: Austria. Paris: O.E.C.D., 1968.
MLA (8th ed.) AtıfOrganisation for Economic Co-operation and Development. Directorate for Scientific Affairs. Educational Policy and Planning: Austria. O.E.C.D., 1968.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..