National Research Council (U.S.). Committee on Earth Resources & ebrary, Inc. (1996). Mineral resources and sustainability: Challenges for earth scientists. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Research Council (U.S.). Committee on Earth Resources ба Inc ebrary. Mineral Resources and Sustainability: Challenges for Earth Scientists. Washington, D.C.: National Academy Press, 1996.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Research Council (U.S.). Committee on Earth Resources ба Inc ebrary. Mineral Resources and Sustainability: Challenges for Earth Scientists. National Academy Press, 1996.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.