DR JOSEPH.C.J / BISWAS.S. UNDERSTANDING & USING ENGLISH GRAMMAR PART- 1. INTER UNIVERSITY PRESS.
Cita Chicago (17th ed.)DR JOSEPH.C.J / BISWAS.S. UNDERSTANDING & USING ENGLISH GRAMMAR PART- 1. NEW DELHI: INTER UNIVERSITY PRESS.
Cita MLA (9th ed.)DR JOSEPH.C.J / BISWAS.S. UNDERSTANDING & USING ENGLISH GRAMMAR PART- 1. INTER UNIVERSITY PRESS.
Atenció: Aquestes cites poden no estar 100% correctes.