Dyfyniad APA

Edited by Norman , J. K. (1999). Bioregional assessmentys : science at the crossroads of: Management and policy. Island Pr.

Dyfyniad Arddull Chicago

Edited by Norman , Johson K. Bioregional Assessmentys : Science at the Crossroads of: Management and Policy. Washington, D.C.: Island Pr, 1999.

Dyfyniad MLA

Edited by Norman , Johson K. Bioregional Assessmentys : Science at the Crossroads of: Management and Policy. Island Pr, 1999.

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