APA (7th ed.) Citation

Sri Lanka scientific and technical periodicals directory. Sri lanka Scientific and Technical Information centure.

Chicago Style (17th ed.) Citation

Sri Lanka Scientific and Technical Periodicals Directory. Colombo: Sri lanka Scientific and Technical Information centure.

MLA (9th ed.) Citation

Sri Lanka Scientific and Technical Periodicals Directory. Sri lanka Scientific and Technical Information centure.

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