Alejandro, C. M., Ang, S., Pon-an, E., & Salva, C. (1999). VLI Leadership Institute: An Information System Study. College of Engineering.
Cita Chicago (17th ed.)Alejandro, Cherrie May, Sheila Ang, Elsie Pon-an, i Claire Salva. VLI Leadership Institute: An Information System Study. Diliman, Quezon City: College of Engineering, 1999.
Cita MLA (9th ed.)Alejandro, Cherrie May, et al. VLI Leadership Institute: An Information System Study. College of Engineering, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.