DR JOSEPH.C.J / BISWAS.S. UNDERSTANDING & USING ENGLISH GRAMMAR PART- 1. INTER UNIVERSITY PRESS.
Cita Chicago Style (17a ed.)DR JOSEPH.C.J / BISWAS.S. UNDERSTANDING & USING ENGLISH GRAMMAR PART- 1. NEW DELHI: INTER UNIVERSITY PRESS.
Cita MLA (9a ed.)DR JOSEPH.C.J / BISWAS.S. UNDERSTANDING & USING ENGLISH GRAMMAR PART- 1. INTER UNIVERSITY PRESS.
Precaución: Estas citas no son 100% exactas.