APA (7th ed.) Citation

Ariyasinghe, K. (2018). Science work book - 1: : grade 9. Vibhawa Prakashana.

Chicago Style (17th ed.) Citation

Ariyasinghe, K. Science Work Book - 1: : Grade 9. Maharagama: Vibhawa Prakashana, 2018.

MLA (9th ed.) Citation

Ariyasinghe, K. Science Work Book - 1: : Grade 9. Vibhawa Prakashana, 2018.

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