ASHTA, S. (2015). THE GRAMMARITE BOOK- 7. ENCYCLOPAEDIA BRITANNICA.
Cita Chicago (17th ed.)ASHTA, SHALINEY. THE GRAMMARITE BOOK- 7. ENCYCLOPAEDIA BRITANNICA, 2015.
Cita MLA (9th ed.)ASHTA, SHALINEY. THE GRAMMARITE BOOK- 7. ENCYCLOPAEDIA BRITANNICA, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.