APA (7th ed.) Citation

Silva, B. D. (2005). New Work Book: Grade 7 English/ Bernard De Silva. Samayawardana.

Chicago Style (17th ed.) Citation

Silva, Bernard De. New Work Book: Grade 7 English/ Bernard De Silva. Colombo 10: Samayawardana, 2005.

MLA (9th ed.) Citation

Silva, Bernard De. New Work Book: Grade 7 English/ Bernard De Silva. Samayawardana, 2005.

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