APA-ийн эшлэл(7 дахь хэвлэлт)
Richards, E. P. (2002). The role of medical and public health services in sustainable development. Environmental Law Institute.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Richards, Edward P. The Role of Medical and Public Health Services in Sustainable Development. Washington, D.C.: Environmental Law Institute, 2002.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Richards, Edward P. The Role of Medical and Public Health Services in Sustainable Development. Environmental Law Institute, 2002.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.