National Educators Workshop: Update '90 Gaithersburg, Md., National Institute of Standards and Technology (U.S.), Harris, J. S., & Jacobs, J. A. (1991). National Educators Workshop, Update '90: Standard experiments in engineering materials science and technology. U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O..
Παραπομπή σε μορφή Chicago (17η εκδ.)National Educators Workshop: Update '90 Gaithersburg, Md., National Institute of Standards and Technology (U.S.), Jonice S. Harris, και James A. Jacobs. National Educators Workshop, Update '90: Standard Experiments in Engineering Materials Science and Technology. Gaithersburg, MD : Washington, DC: U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)National Educators Workshop: Update '90 Gaithersburg, Md., et al. National Educators Workshop, Update '90: Standard Experiments in Engineering Materials Science and Technology. U.S. Dept. of Commerce, National Institute of Standards and Technology ; For sale by the Supt. of Docs., U.S. G.P.O., 1991.