APA (7th ed.) Citation

Selvarathnam, K. (2006). English workbook - grade 7. Lanka Book Depot.

Chicago Style (17th ed.) Citation

Selvarathnam, K.M. English Workbook - Grade 7. Colombo: Lanka Book Depot, 2006.

MLA (9th ed.) Citation

Selvarathnam, K.M. English Workbook - Grade 7. Lanka Book Depot, 2006.

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