Astm Committee. (1951). Quality Control of Materials (1951.). American Society for Testing Materials.
استشهاد بنمط شيكاغوAstm Committee. Quality Control of Materials. 1951. America: American Society for Testing Materials, 1951.
MLA استشهادAstm Committee. Quality Control of Materials. 1951. American Society for Testing Materials, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.