Dyfyniad APA

Richards, E. P. (2002). The role of medical and public health services in sustainable development. Environmental Law Institute.

Dyfyniad Arddull Chicago

Richards, Edward P. The Role of Medical and Public Health Services in Sustainable Development. Washington, D.C.: Environmental Law Institute, 2002.

Dyfyniad MLA

Richards, Edward P. The Role of Medical and Public Health Services in Sustainable Development. Environmental Law Institute, 2002.

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