BALASUBRAMANIAN, P. (2013). LEARN ENGLISH GRAMMAR SKILLS WITH THRILLS -1. AMITY UNIVERSITY PRESS.
Cita Chicago (17th ed.)BALASUBRAMANIAN, PREMA. LEARN ENGLISH GRAMMAR SKILLS WITH THRILLS -1. AMITY UNIVERSITY PRESS, 2013.
Cita MLA (9th ed.)BALASUBRAMANIAN, PREMA. LEARN ENGLISH GRAMMAR SKILLS WITH THRILLS -1. AMITY UNIVERSITY PRESS, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.