Wu, H. H., & Slingerland, T. (1992). Laogai--the Chinese Gulag. Westview Press.
Lua i Stíl Chicago (17ú heag.)Wu, Hongda Harry, agus Ted Slingerland. Laogai--the Chinese Gulag. Boulder: Westview Press, 1992.
Lua MLA (8ú heag.)Wu, Hongda Harry, agus Ted Slingerland. Laogai--the Chinese Gulag. Westview Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.