APA-viite (7. p.)
Richards, E. P. (2002). The role of medical and public health services in sustainable development. Environmental Law Institute.
Chicago-viite (17. p.)
Richards, Edward P. The Role of Medical and Public Health Services in Sustainable Development. Washington, D.C.: Environmental Law Institute, 2002.
MLA-viite (9. p.)
Richards, Edward P. The Role of Medical and Public Health Services in Sustainable Development. Environmental Law Institute, 2002.
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