Collins dictionary of environmental science /

Eitemau Tebyg

• The HarperCollins dictionary of environmental science /
  Cyhoeddwyd: (1992)
• Dictionary of environmental science for lawyers /
  Cyhoeddwyd: (1997)
• The Macmillan dictionary of the Australian environment /
  gan: Meagher, David
  Cyhoeddwyd: (1991)
• Dictionary of environmental science and engineering /
  gan: Pfafflin, James R. (James Reid)
  Cyhoeddwyd: (1996)
• A dictionary of green ideas : vocabulary for a sane and sustainable future /
  gan: Button, John, 1949-
  Cyhoeddwyd: (1988)