Cita APA (7a ed.)

Ruiz, A. O. V., & Ancog, A. (1980). An evaluative study of the COA auditing model. UP-NSDB.

Cita Chicago Style (17a ed.)

Ruiz, Arlen O. V., y Amelia Ancog. An Evaluative Study of the COA Auditing Model. [Manila]: UP-NSDB, 1980.

Cita MLA (9a ed.)

Ruiz, Arlen O. V., y Amelia Ancog. An Evaluative Study of the COA Auditing Model. UP-NSDB, 1980.