United States. Public Health Service. Division of Environmental Engineering and Food Protection. (1967). Environmental health planning guide. s.n.
Citace podle Chicago (17th ed.)United States. Public Health Service. Division of Environmental Engineering and Food Protection. Environmental Health Planning Guide. [Washington, D. C: s.n, 1967.
Citace podle MLA (9th ed.)United States. Public Health Service. Division of Environmental Engineering and Food Protection. Environmental Health Planning Guide. s.n, 1967.
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