Gatchalian, R. C. (1983). Verbal mathematics problems formulated by CLSU freshmen students from different socio-economic levels.
Chicago-Zitierstil (17. Ausg.)Gatchalian, Rodrigo Cardines. Verbal Mathematics Problems Formulated by CLSU Freshmen Students from Different Socio-economic Levels. 1983.
MLA-Zitierstil (9. Ausg.)Gatchalian, Rodrigo Cardines. Verbal Mathematics Problems Formulated by CLSU Freshmen Students from Different Socio-economic Levels. 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.