Dyfyniad APA

ebrary, Inc. (1996). Ecologically based pest management: New solutions for a new century. National Academy Press.

Dyfyniad Arddull Chicago

ebrary, Inc. Ecologically Based Pest Management: New Solutions for a New Century. Washington, D.C.: National Academy Press, 1996.

Dyfyniad MLA

ebrary, Inc. Ecologically Based Pest Management: New Solutions for a New Century. National Academy Press, 1996.

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