<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Morse, Janice M.</hi> 2007. “Sampling in Grounded Theory”. In <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">The SAGE Handbook of Grounded Theory</hi>, hg. von Antony Bryant und Katy Charmaz, 229–244. Los Angeles: SAGE.