Clark, T. W., Reading, R. P., & Clarke, A. L. (1994). Endangered species recovery: Finding the lessons, improving the process. Island Press.
Lua i Stíl Chicago (17ú heag.)Clark, Tim W., Richard P. Reading, agus Alice L. Clarke. Endangered Species Recovery: Finding the Lessons, Improving the Process. Washington, D.C: Island Press, 1994.
Lua MLA (9ú heag.)Clark, Tim W., et al. Endangered Species Recovery: Finding the Lessons, Improving the Process. Island Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.