Calado, R. R. .. (1973). An analysis of public elementary scholl enrolment data for projection purposes [microform]. Photoduplication Service.
Chicago-Zitierstil (17. Ausg.)Calado, Rene R.. An Analysis of Public Elementary Scholl Enrolment Data for Projection Purposes [microform]. Quezon City: Photoduplication Service, 1973.
MLA-Zitierstil (9. Ausg.)Calado, Rene R.. An Analysis of Public Elementary Scholl Enrolment Data for Projection Purposes [microform]. Photoduplication Service, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.