Cita APA (7th ed.)

Sacaben, G. B. (1976). Income tax administration in the Bureau of Internal Revenue Region No. 6 [microform]. Photoduplication Service.

Cita Chicago (17th ed.)

Sacaben, Gregorio B. Income Tax Administration in the Bureau of Internal Revenue Region No. 6 [microform]. Quezon City: Photoduplication Service, 1976.

Cita MLA (9th ed.)

Sacaben, Gregorio B. Income Tax Administration in the Bureau of Internal Revenue Region No. 6 [microform]. Photoduplication Service, 1976.