Cita APA (7th ed.)
Wren, P., Martin H, & Rao, N. (2007). Highe school english grammar & composition. S. Chand.
Cita Chicago (17th ed.)
Wren, P.C, Martin H, i N.V.D.Prasada Rao. Highe School English Grammar & Composition. New Delhi: S. Chand, 2007.
Cita MLA (9th ed.)
Wren, P.C, et al. Highe School English Grammar & Composition. S. Chand, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.