WREN & MARTIN. (2011). A FINAL COURSE IN GRAMMAR AND COMPOSITION. S CHAND PUBL.
Cita Chicago (17th ed.)WREN & MARTIN. A FINAL COURSE IN GRAMMAR AND COMPOSITION. S CHAND PUBL, 2011.
Cita MLA (9th ed.)WREN & MARTIN. A FINAL COURSE IN GRAMMAR AND COMPOSITION. S CHAND PUBL, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.