Dyfyniad APA

American Society for Testing Materials. (1966). ASTM standards i building codes - specifications, methods of test, definitions (4th ed.). American Society for Testing and Materials.

Dyfyniad Arddull Chicago

American Society for Testing Materials. ASTM Standards I Building Codes - Specifications, Methods of Test, Definitions. 4th ed. Philadelphia, Pa: American Society for Testing and Materials, 1966.

Dyfyniad MLA

American Society for Testing Materials. ASTM Standards I Building Codes - Specifications, Methods of Test, Definitions. 4th ed. American Society for Testing and Materials, 1966.

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