World Health Organization. (2001). General guidelines for methodologies on research and evaluation of traditional medicine. World Health Organization.
Cita Chicago (17th ed.)World Health Organization. General Guidelines for Methodologies on Research and Evaluation of Traditional Medicine. [Geneva]: World Health Organization, 2001.
Cita MLA (8th ed.)World Health Organization. General Guidelines for Methodologies on Research and Evaluation of Traditional Medicine. World Health Organization, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.