American Society for Testing and Materials. (1971). 1971 annual book of ASTM standards. American Society for Testing and Materials.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Society for Testing and Materials. 1971 Annual Book of ASTM Standards. Philadelphia: American Society for Testing and Materials, 1971.
Παραπομπή σε μορφή MLA (9th εκδ.)American Society for Testing and Materials. 1971 Annual Book of ASTM Standards. American Society for Testing and Materials, 1971.
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