Smalley, R. L., Ruetten, M. K., & Kozyrev, J. R. (2001). Refining composition skills. Rethoric and grammar (5a. ed.). Heingle Cengage Learning.
Cita Chicago (17th ed.)Smalley, Regina L., Mary K. Ruetten, i Joann Rishel Kozyrev. Refining Composition Skills. Rethoric and Grammar. 5a. ed. Boston: Heingle Cengage Learning, 2001.
Cita MLA (9th ed.)Smalley, Regina L., et al. Refining Composition Skills. Rethoric and Grammar. 5a. ed. Heingle Cengage Learning, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.