APA (7th ed.) Citation

(2013). Basic English ; vol. I. English language teaching unit.

Chicago Style (17th ed.) Citation

Basic English ; Vol. I. University of Sri jayawardenep: English language teaching unit, 2013.

MLA (9th ed.) Citation

Basic English ; Vol. I. English language teaching unit, 2013.

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