APA-referens

Lessler, J. T. K. (1992). Nonsampling errors in survys. John Wiley.

Chicago-stil citat

Lessler, Judith T Kalsbeek. Nonsampling Errors in Survys. New ork: John Wiley, 1992.

MLA-referens

Lessler, Judith T Kalsbeek. Nonsampling Errors in Survys. John Wiley, 1992.