World Health Organization. (2001). General guidelines for methodologies on research and evaluation of traditional medicine. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. General Guidelines for Methodologies on Research and Evaluation of Traditional Medicine. [Geneva]: World Health Organization, 2001.
Citatione MLA (8a ed.)World Health Organization. General Guidelines for Methodologies on Research and Evaluation of Traditional Medicine. World Health Organization, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.