National Film Board of Canada, Henderson,Anne, & Wilson, D. (1988). Holding our ground. National Film Board of Canada.
Lua i Stíl Chicago (17ú heag.)National Film Board of Canada, Henderson,Anne, agus David Wilson. Holding Our Ground. [Ottawa]: National Film Board of Canada, 1988.
Lua MLA (9ú heag.)National Film Board of Canada, et al. Holding Our Ground. National Film Board of Canada, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.