Minor, L. J. (1983). Sanitation, safety and environmental standards. Avi.
Chicago Style (17th ed.) ZitazioaMinor, Lewis J. Sanitation, Safety and Environmental Standards. Westport: Avi, 1983.
MLA (9th ed.) ZitazioaMinor, Lewis J. Sanitation, Safety and Environmental Standards. Avi, 1983.
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