Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.