American Society for Testing and Materials. (1969). Directory of testing laboratories: Commercial - institutional. American Society for Testing and Materials.
Chicago Style (17th ed.) CitationAmerican Society for Testing and Materials. Directory of Testing Laboratories: Commercial - Institutional. Philadelphia, Pa.: American Society for Testing and Materials, 1969.
MLA (8th ed.) CitationAmerican Society for Testing and Materials. Directory of Testing Laboratories: Commercial - Institutional. American Society for Testing and Materials, 1969.
Warning: These citations may not always be 100% accurate.