Cita APA (7a ed.)

Philippines, Gapultos, S. M., & Mamangun, M. C. (1975). Bookkeeping regulations ([2nd ed.].). [s.n.].

Cita Chicago Style (17a ed.)

Philippines, Santiago M. Gapultos, y Marina C. Mamangun. Bookkeeping Regulations. [2nd ed.]. Manila: [s.n.], 1975.

Cita MLA (9a ed.)

Philippines, et al. Bookkeeping Regulations. [2nd ed.]. [s.n.], 1975.