Dyfyniad APA

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.

Dyfyniad Arddull Chicago

ebrary, Inc, and 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.

Dyfyniad MLA

ebrary, Inc, and 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.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.