Cita APA (7th ed.)

Awasthi S.K. (1988). Book of Proficiency in English. Agra Law Agency.

Cita Chicago (17th ed.)

Awasthi S.K. Book of Proficiency in English. Agra: Agra Law Agency, 1988.

Cita MLA (9th ed.)

Awasthi S.K. Book of Proficiency in English. Agra Law Agency, 1988.