APA (7th ed.) Citation

y.Sukunthan. Sceienc Grade-9 part-1. lanka book.

Chicago Style (17th ed.) Citation

y.Sukunthan. Sceienc Grade-9 Part-1. colombo: lanka book.

MLA (9th ed.) Citation

y.Sukunthan. Sceienc Grade-9 Part-1. lanka book.

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