Bautista, O., Ordonez, V., & Sanyal, B. C. (1992). Change from a semester to a trimester system at the De La Salle University, Philippines. International Institute for Educational Planning.
Lua i Stíl Chicago (17ú heag.)Bautista, Oscar, Victor Ordonez, agus Bikas C. Sanyal. Change from a Semester to a Trimester System at the De La Salle University, Philippines. Paris: International Institute for Educational Planning, 1992.
Lua MLA (9ú heag.)Bautista, Oscar, et al. Change from a Semester to a Trimester System at the De La Salle University, Philippines. International Institute for Educational Planning, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.