KAUL/ SUGATHAN/ GILANI/ PAUL. (2013). THE NEW GRAMMAR TREE BASIC ENGLISH GRAMMAR AND COMPOSITION CLASS- 6. OXFORD UNV PRESS.
Citazione stile Chigago Style (17a edizione)KAUL/ SUGATHAN/ GILANI/ PAUL. THE NEW GRAMMAR TREE BASIC ENGLISH GRAMMAR AND COMPOSITION CLASS- 6. OXFORD UNV PRESS, 2013.
Citatione MLA (9a ed.)KAUL/ SUGATHAN/ GILANI/ PAUL. THE NEW GRAMMAR TREE BASIC ENGLISH GRAMMAR AND COMPOSITION CLASS- 6. OXFORD UNV PRESS, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.