Cita APA (7th ed.)

Abejo, A., Constantino, J., Crisostomo, M., Estiandan, J., Jimenez, B., & Joson, R. (1987). An Information systems study on Philippine Public School Teachers Association mutual aid system. College of Engineering.

Cita Chicago (17th ed.)

Abejo, Aurora, Jocelyn Constantino, Medel Crisostomo, Jo-Ann Estiandan, Bobbitt Jimenez, i Rosalina Joson. An Information Systems Study on Philippine Public School Teachers Association Mutual Aid System. Diliman, Quezon City: College of Engineering, 1987.

Cita MLA (9th ed.)

Abejo, Aurora, et al. An Information Systems Study on Philippine Public School Teachers Association Mutual Aid System. College of Engineering, 1987.