APA (7th ed.) Citation

(1990). School education with emphasis on secondary grades. Marga Institute.

Chicago Style (17th ed.) Citation

School Education with Emphasis on Secondary Grades. Colombo: Marga Institute, 1990.

MLA (9th ed.) Citation

School Education with Emphasis on Secondary Grades. Marga Institute, 1990.

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