APA

Gangalakshmi (C), Rathika (B) & Saranraj (L).Professional English. New Delhi: .

Chicago

Gangalakshmi (C), Rathika (B) and Saranraj (L).Professional English. New Delhi: .

Harvard

Gangalakshmi (C), Rathika (B) and Saranraj (L).Professional English. New Delhi: .

MLA

Gangalakshmi (C), Rathika (B) and Saranraj (L).New Delhi: . .