APA (7th ed.) Citation

Piyadigamage. (2013). Supplementary class work book Gr 11 Part I (2.). Samudra book Publications.

Chicago Style (17th ed.) Citation

Piyadigamage. Supplementary Class Work Book Gr 11 Part I. 2. Colombo: Samudra book Publications, 2013.

MLA (9th ed.) Citation

Piyadigamage. Supplementary Class Work Book Gr 11 Part I. 2. Samudra book Publications, 2013.

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