Jessup, W. E. (1963). Law and specifications for engineers and scientists. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Jessup, Walter Edgar. Law and Specifications for Engineers and Scientists. Englewood Cliffs, N.J.: Prentice-Hall, 1963.
Lua MLA (8ú heag.)Jessup, Walter Edgar. Law and Specifications for Engineers and Scientists. Prentice-Hall, 1963.
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