Roen, D. H., Glau, G. R., & Maid, B. M. (2009). The McGraw-Hill guide: Writing for college, writing for life. McGraw-Hill Higher Education.
Cita Chicago (17th ed.)Roen, Duane H., Gregory R. Glau, i Barry M. Maid. The McGraw-Hill Guide: Writing for College, Writing for Life. New York, NY: McGraw-Hill Higher Education, 2009.
Cita MLA (9th ed.)Roen, Duane H., et al. The McGraw-Hill Guide: Writing for College, Writing for Life. McGraw-Hill Higher Education, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.