APA (7th ed.) Citation

Chandrasekar Vijaya. (2008). English work book (based on lets learn english): Grade 1. Hara publications.

Chicago Style (17th ed.) Citation

Chandrasekar Vijaya. English Work Book (based on Lets Learn English): Grade 1. Colombo: Hara publications, 2008.

MLA (9th ed.) Citation

Chandrasekar Vijaya. English Work Book (based on Lets Learn English): Grade 1. Hara publications, 2008.