APA (7th ed.) Citation

Yogenthiri Sugunthan. Science Part 1 Grade 7 (English Mediam ). Lanka Book Depot pub.

Chicago Style (17th ed.) Citation

Yogenthiri Sugunthan. Science Part 1 Grade 7 (English Mediam ). Colombo: Lanka Book Depot pub.

MLA (9th ed.) Citation

Yogenthiri Sugunthan. Science Part 1 Grade 7 (English Mediam ). Lanka Book Depot pub.

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