KOREN H. (2005). HANDBOOK OF ENVIRONMENTAL HEALTH AND SAFETY. JAICO PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)KOREN H. HANDBOOK OF ENVIRONMENTAL HEALTH AND SAFETY. MUMBAI: JAICO PUBLISHING HOUSE, 2005.
Lua MLA (9ú heag.)KOREN H. HANDBOOK OF ENVIRONMENTAL HEALTH AND SAFETY. JAICO PUBLISHING HOUSE, 2005.
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