Dyfyniad APA

ebrary, Inc. (1996). Spacecraft maximum allowable concentrations for selected airborne contaminants. National Academy Press.

Dyfyniad Arddull Chicago

ebrary, Inc. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants. Washington, D.C.: National Academy Press, 1996.

Dyfyniad MLA

ebrary, Inc. Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants. National Academy Press, 1996.

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