APA (7th ed.) Citation

Nirmala Perera. (2015). Science Grade 10 work book part 1. Jeya book cenre.

Chicago Style (17th ed.) Citation

Nirmala Perera. Science Grade 10 Work Book Part 1. Comlombo: Jeya book cenre, 2015.

MLA (9th ed.) Citation

Nirmala Perera. Science Grade 10 Work Book Part 1. Jeya book cenre, 2015.

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