Davis, R. G. (1979). Development and use of systems models for educational planning. Harvard Inst. for Int. Development, Harvard Univ.
Chicago-Zitierstil (17. Ausg.)Davis, Russel G. Development and Use of Systems Models for Educational Planning. Cambridge,Mass: Harvard Inst. for Int. Development, Harvard Univ, 1979.
MLA-Zitierstil (9. Ausg.)Davis, Russel G. Development and Use of Systems Models for Educational Planning. Harvard Inst. for Int. Development, Harvard Univ, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.