Sabado, F. P. Paradoxes as learning activities for High School Mathematics.
Chicago-Zitierstil (17. Ausg.)Sabado, Federico P. Paradoxes as Learning Activities for High School Mathematics. Quezon City, 1979.
MLA-Zitierstil (9. Ausg.)Sabado, Federico P. Paradoxes as Learning Activities for High School Mathematics.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.