APA (7th ed.) Citation

Siriwardane. (2016). Science Activity Book Part 1, Grade 11. Devika Siriwardane.

Chicago Style (17th ed.) Citation

Siriwardane. Science Activity Book Part 1, Grade 11. Colombo: Devika Siriwardane, 2016.

MLA (9th ed.) Citation

Siriwardane. Science Activity Book Part 1, Grade 11. Devika Siriwardane, 2016.

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