Cita APA (7th ed.)

Belgosa Business Communications & Pascual, R. J. (1997). Philippine regional profiles 1997. Belgosa Business Communications.

Cita Chicago (17th ed.)

Belgosa Business Communications i Ruben J. Pascual. Philippine Regional Profiles 1997. Makati City: Belgosa Business Communications, 1997.

Cita MLA (9th ed.)

Belgosa Business Communications i Ruben J. Pascual. Philippine Regional Profiles 1997. Belgosa Business Communications, 1997.