Gloss, D. S., & Wardle, M. G. (1984). Introduction to safety engineering. Wiley.
Lua i Stíl Chicago (17ú heag.)Gloss, David S., agus Miriam Gayle Wardle. Introduction to Safety Engineering. New York: Wiley, 1984.
Lua MLA (9ú heag.)Gloss, David S., agus Miriam Gayle Wardle. Introduction to Safety Engineering. Wiley, 1984.
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