APA (7th ed.) Citation

(2020). Directory of structural engineers 2020/2021: : Valid up to October 31,2021. The Institution of Engineers, Sri Lanka.

Chicago Style (17th ed.) Citation

Directory of Structural Engineers 2020/2021: : Valid Up to October 31,2021. Colombo: The Institution of Engineers, Sri Lanka, 2020.

MLA (9th ed.) Citation

Directory of Structural Engineers 2020/2021: : Valid Up to October 31,2021. The Institution of Engineers, Sri Lanka, 2020.

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