Não informado. (2003). Data processing in education. Data Processing in Education.
Chicago-Zitierstil (17. Ausg.)Não informado. Data Processing in Education. Philadelphia, Pa: Data Processing in Education, 2003.
MLA-Zitierstil (8. Ausg.)Não informado. Data Processing in Education. Data Processing in Education, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.