KAUL, M. (2017). THE NEW GRAMMAR TREE BASIC ENGLISH GRAMMAR AND COMPOSITION - BOOK 6. OXFORD UNIVERSITY PRESS.
Cita Chicago (17th ed.)KAUL, MRIDULA. THE NEW GRAMMAR TREE BASIC ENGLISH GRAMMAR AND COMPOSITION - BOOK 6. NEW DELHI: OXFORD UNIVERSITY PRESS, 2017.
Cita MLA (9th ed.)KAUL, MRIDULA. THE NEW GRAMMAR TREE BASIC ENGLISH GRAMMAR AND COMPOSITION - BOOK 6. OXFORD UNIVERSITY PRESS, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.