Παραπομπή σε μορφή APA (7η εκδ.)

Sultana, F., & Sanjana, L. (2020). English language skills: Perceived difficulties by tertiary level. Brac University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sultana, Farhana, και Lubaba Sanjana. English Language Skills: Perceived Difficulties by Tertiary Level. Brac University, 2020.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sultana, Farhana, και Lubaba Sanjana. English Language Skills: Perceived Difficulties by Tertiary Level. Brac University, 2020.