ebrary, Inc, & Forum on Sustainable Agriculture and Natural Resource Management. (1991). Toward sustainability: A plan for collaborative research on agriculture and natural resource management. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, ба Forum on Sustainable Agriculture and Natural Resource Management. Toward Sustainability: A Plan for Collaborative Research on Agriculture and Natural Resource Management. Washington, D.C.: National Academy Press, 1991.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, ба Forum on Sustainable Agriculture and Natural Resource Management. Toward Sustainability: A Plan for Collaborative Research on Agriculture and Natural Resource Management. National Academy Press, 1991.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.