American Society for Testing and Materials\nASTM International. (2019). Standardization News. American Society for Testing and Materials.
Citação do estilo Chicago (17ª ed.)American Society for Testing and Materials\nASTM International. Standardization News. Philadelphia, Pa: American Society for Testing and Materials, 2019.
Citação MLA (8ª ed.)American Society for Testing and Materials\nASTM International. Standardization News. American Society for Testing and Materials, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.