APA (7e ed.) Bronvermelding

(1998). Proceedings of the second regional symposium on infrastructure planning in civil engineering. [s.n.].

Chicago (17e ed.) Bronvermelding

Proceedings of the Second Regional Symposium on Infrastructure Planning in Civil Engineering. Manila: [s.n.], 1998.

MLA (9e ed.) Bronvermelding

Proceedings of the Second Regional Symposium on Infrastructure Planning in Civil Engineering. [s.n.], 1998.