APA (7th ed.) Citation

Devasinghe, D. (2003). Science & technology: Work book grade 7. Author.

Chicago Style (17th ed.) Citation

Devasinghe, D.M.A. Science & Technology: Work Book Grade 7. Kurunagala: Author, 2003.

MLA (9th ed.) Citation

Devasinghe, D.M.A. Science & Technology: Work Book Grade 7. Author, 2003.

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