APA (7th ed.) Citation

Perera, A. L. (1993). Physical planning under devolution. 16. The CRDS special publications.

Chicago Style (17th ed.) Citation

Perera, Ashley L.S. Physical Planning Under Devolution. 16. Colombo: The CRDS special publications, 1993.

MLA (9th ed.) Citation

Perera, Ashley L.S. Physical Planning Under Devolution. 16. The CRDS special publications, 1993.

Warning: These citations may not always be 100% accurate.