APA (7th ed.) Citation

Devasinghe, D. Science & technology grade 11 work book.

Chicago Style (17th ed.) Citation

Devasinghe, D.M.A. Science & Technology Grade 11 Work Book.

MLA (9th ed.) Citation

Devasinghe, D.M.A. Science & Technology Grade 11 Work Book.

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