Hall, D., Hammond, C., Miller, S., & Swetik , P. (1992). Level i stability analysis (LISA) documenatation for version 2.0. United States Department of Agriculture.
Lua i Stíl Chicago (17ú heag.)Hall, David, Carol Hammond, Stanley Miller, agus Paul Swetik. Level I Stability Analysis (LISA) Documenatation for Version 2.0. Washington: United States Department of Agriculture, 1992.
Lua MLA (9ú heag.)Hall, David, et al. Level I Stability Analysis (LISA) Documenatation for Version 2.0. United States Department of Agriculture, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.