APA (7e ed.) Bronvermelding

Philippines. Congress. Senate. (2014). Revised national plumbing code of the Philippines. National Master Plumbers Association of the Philippines.

Chicago (17e ed.) Bronvermelding

Philippines. Congress. Senate. Revised National Plumbing Code of the Philippines. Philippines: National Master Plumbers Association of the Philippines, 2014.

MLA (9e ed.) Bronvermelding

Philippines. Congress. Senate. Revised National Plumbing Code of the Philippines. National Master Plumbers Association of the Philippines, 2014.