World Health Organization. Regional Office for the Western Pacific. (2001). Health research methodology: A guide for training in research methods (2nd ed.). WHO Regional Office for the Western Pacific.
Chicago-viite (17. p.)World Health Organization. Regional Office for the Western Pacific. Health Research Methodology: A Guide for Training in Research Methods. 2nd ed. Manila, Philippines: WHO Regional Office for the Western Pacific, 2001.
MLA-viite (8. p.)World Health Organization. Regional Office for the Western Pacific. Health Research Methodology: A Guide for Training in Research Methods. 2nd ed. WHO Regional Office for the Western Pacific, 2001.
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