Citazione Stile APA (7a Edizione)

Co, R., Phi, J., & Yu, L. (1984). A Project study on an information system for the Office of Counseling and Guidance University of the Philippines. College of Engineering.

Citazione stile Chigago Style (17a edizione)

Co, Rosemarie, Joseph Phi, e Lawrence Yu. A Project Study on an Information System for the Office of Counseling and Guidance University of the Philippines. Diliman, Quezon City: College of Engineering, 1984.

Citatione MLA (9a ed.)

Co, Rosemarie, et al. A Project Study on an Information System for the Office of Counseling and Guidance University of the Philippines. College of Engineering, 1984.