Nielsen, L. (1985). Simplifications in visual servoing. Studentlitteratur.
Lua i Stíl Chicago (17ú heag.)Nielsen, Lars. Simplifications in Visual Servoing. Lund: Studentlitteratur, 1985.
Lua MLA (8ú heag.)Nielsen, Lars. Simplifications in Visual Servoing. Studentlitteratur, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.