| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Qualitative Pflegeforschung. Grundlagen qualitativer Ansätze in der Pflege | 978-3-86126-630-3 (3-86126-630-X) | 1997 | Immy Holloway | |
| Qualitative Research in Nursing 2e | 978-0-632-05284-4 (0-632-05284-8) | 2002 | " | |
| Qualitative Research in Nursing and Health Care | 978-1-4051-6122-0 (1-4051-6122-1) | 2009 | " |