Calabrese, E. J., Gilbert, C. E., & Pastides, H. (1990). Safe drinking water act. Amendments, regulations and standards (1st ed. 3rd printing.). Lewis Publishing.
Citace podle Chicago (17th ed.)Calabrese, Edward J., Charles E. Gilbert, a H. Pastides. Safe Drinking Water Act. Amendments, Regulations and Standards. 1st ed. 3rd printing. Chelsea: Lewis Publishing, 1990.
Citace podle MLA (9th ed.)Calabrese, Edward J., et al. Safe Drinking Water Act. Amendments, Regulations and Standards. 1st ed. 3rd printing. Lewis Publishing, 1990.
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