Gillham, Bill
Research interviewing: the range of techniques
Open University Press, 2008
 Buku Teks SO
Nursing research
[publisher not identified], [date of publication no identified]
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Nursing research
[publisher not identified], [date of publication no identified]
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Wilson, Holly Skodol
Nursing in research
Addison-Wesley, 1985
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Maafs, Kurt-Jurgen
Bridges for research: range and impact of the Humboldt foundation / Kurt-Jurgen Maafs
Alexander Von Humboldt Foundation , 1989
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