APA (7th ed.) Citation

The National Science Council of Sri Lanka. (1981). Science Investigation. The National Science Council of Sri Lanka.

Chicago Style (17th ed.) Citation

The National Science Council of Sri Lanka. Science Investigation. Sri Lanka: The National Science Council of Sri Lanka, 1981.

MLA (9th ed.) Citation

The National Science Council of Sri Lanka. Science Investigation. The National Science Council of Sri Lanka, 1981.

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