Awasthi S.K. (1988). Book of Proficiency in English. Agra Law Agency.
Lua i Stíl Chicago (17ú heag.)Awasthi S.K. Book of Proficiency in English. Agra: Agra Law Agency, 1988.
Lua MLA (9ú heag.)Awasthi S.K. Book of Proficiency in English. Agra Law Agency, 1988.
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