Cita APA (7th ed.)

Philippines & Ursal, S. B. (2004). Government procurement tool kit: R.A. no.9184, annotated (Regular ed.). Published & exclusively distributed by Good Governance Books.

Cita Chicago (17th ed.)

Philippines i Sofronio B. Ursal. Government Procurement Tool Kit: R.A. No.9184, Annotated. Regular ed. Quezon City: Published & exclusively distributed by Good Governance Books, 2004.

Cita MLA (9th ed.)

Philippines i Sofronio B. Ursal. Government Procurement Tool Kit: R.A. No.9184, Annotated. Regular ed. Published & exclusively distributed by Good Governance Books, 2004.