GKP. (2023). IELTS Academic+General Text Preparation Set (Grammer). G.K Publication.
Chicagoスタイル(17版)引用形式GKP. IELTS Academic+General Text Preparation Set (Grammer). Faridabad: G.K Publication, 2023.
MLA(9版)引用形式GKP. IELTS Academic+General Text Preparation Set (Grammer). G.K Publication, 2023.
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