Cita APA (7th ed.)

Borja, E. G., & Gelvezon, M. A. V. (2001). A survey review of the Philippine tax system. SWS Survey Snapshots.

Cita Chicago (17th ed.)

Borja, Edna G., i Maria Aurora V. Gelvezon. "A Survey Review of the Philippine Tax System." SWS Survey Snapshots 2001.

Cita MLA (9th ed.)

Borja, Edna G., i Maria Aurora V. Gelvezon. "A Survey Review of the Philippine Tax System." SWS Survey Snapshots, 2001.