Dyfyniad APA

American Society for Testing and Materials. (2006). ASTM standards related to environmental sampling (Third edition.). ASTM International.

Dyfyniad Arddull Chicago

American Society for Testing and Materials. ASTM Standards Related to Environmental Sampling. Third edition. West Conshohocken, PA: ASTM International, 2006.

Dyfyniad MLA

American Society for Testing and Materials. ASTM Standards Related to Environmental Sampling. Third edition. ASTM International, 2006.

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