Means, B., Chelemer, C., & Knapp, M. S. (1991). Teaching advanced skills to at-risk students: Views from research and practice. Jossey-Bass Publishers.
Lua i Stíl Chicago (17ú heag.)Means, Barbara, Carol Chelemer, agus Michael S. Knapp. Teaching Advanced Skills to At-risk Students: Views from Research and Practice. San Francisco: Jossey-Bass Publishers, 1991.
Lua MLA (8ú heag.)Means, Barbara, et al. Teaching Advanced Skills to At-risk Students: Views from Research and Practice. Jossey-Bass Publishers, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.