Alcaraz, E. A., De la Vega, G. S., & Maguyon, A. M. A. M. (1993). A Project feasibility study on a study center. College of Engineering.
Lua i Stíl Chicago (17ú heag.)Alcaraz, Eunice A., Geraldine S. De la Vega, agus Ana Ma. Asunta M. Maguyon. A Project Feasibility Study on a Study Center. Diliman, Quezon City: College of Engineering, 1993.
Lua MLA (9ú heag.)Alcaraz, Eunice A., et al. A Project Feasibility Study on a Study Center. College of Engineering, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.