APA (7th ed.) Citation

Sarath Piyadigamage. (2016). Class work book, Grade - 07 (New edition - 2016.). Samudra book publications.

Chicago Style (17th ed.) Citation

Sarath Piyadigamage. Class Work Book, Grade - 07. New edition - 2016. Colombo: Samudra book publications, 2016.

MLA (9th ed.) Citation

Sarath Piyadigamage. Class Work Book, Grade - 07. New edition - 2016. Samudra book publications, 2016.

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