Johns, L. C., & Sevigny, L. (2006). Writing excellence. Thomson Delmar Learning.
Cita Chicago (17th ed.)Johns, Lee Clark, i Leo Sevigny. Writing Excellence. Clifton Park, N.Y: Thomson Delmar Learning, 2006.
Cita MLA (9th ed.)Johns, Lee Clark, i Leo Sevigny. Writing Excellence. Thomson Delmar Learning, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.