APA (7th ed.) Citation

Devasinghe, D. (2004). Science & technology grade 8 (supplementary text & guide book). Samayawardhana.

Chicago Style (17th ed.) Citation

Devasinghe, D.M.A. Science & Technology Grade 8 (supplementary Text & Guide Book). Colombo: Samayawardhana, 2004.

MLA (9th ed.) Citation

Devasinghe, D.M.A. Science & Technology Grade 8 (supplementary Text & Guide Book). Samayawardhana, 2004.

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