Lawas, V. M. (2000). An interactive approach in teaching derivatives. Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines.
Citazione stile Chigago Style (17a edizione)Lawas, Vernel M. An Interactive Approach in Teaching Derivatives. Los Banos, Laguna: Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines, 2000.
Citatione MLA (9a ed.)Lawas, Vernel M. An Interactive Approach in Teaching Derivatives. Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.