GKP. (2023). IELTS Academic+General Text Preparation Set (Grammer). G.K Publication.
Chicago Style aipamenaGKP. IELTS Academic+General Text Preparation Set (Grammer). Faridabad: G.K Publication, 2023.
MLA aipamenaGKP. IELTS Academic+General Text Preparation Set (Grammer). G.K Publication, 2023.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.