APA (7th ed.) Citation

Poobalasingam Publication. (2020). GCE A' Level: Economics. Poobalasingam Publication.

Chicago Style (17th ed.) Citation

Poobalasingam Publication. GCE A' Level: Economics. Colombo: Poobalasingam Publication, 2020.

MLA (9th ed.) Citation

Poobalasingam Publication. GCE A' Level: Economics. Poobalasingam Publication, 2020.

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