APA (7th ed.) Citation

DE Silva. (2005). New Work book grade 7 English. Samayardhana.

Chicago Style (17th ed.) Citation

DE Silva. New Work Book Grade 7 English. Colombo: Samayardhana, 2005.

MLA (9th ed.) Citation

DE Silva. New Work Book Grade 7 English. Samayardhana, 2005.

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