APA (7e ed.) Bronvermelding

National Master Plumbers/Plumbing Engineering and Plumbing Contractor's Association of the Philippines. Technical Committee & Philippines. (1994). National plumbing code of the Philippines (R.A. 1378) (1993-94 rev.). s.n.

Chicago (17e ed.) Bronvermelding

National Master Plumbers/Plumbing Engineering and Plumbing Contractor's Association of the Philippines. Technical Committee en Philippines. National Plumbing Code of the Philippines (R.A. 1378). 1993-94 rev. [Manila: s.n, 1994.

MLA (9e ed.) Bronvermelding

National Master Plumbers/Plumbing Engineering and Plumbing Contractor's Association of the Philippines. Technical Committee en Philippines. National Plumbing Code of the Philippines (R.A. 1378). 1993-94 rev. s.n, 1994.