WAGNER, E. G., & LANOIX, J. (1959). Water supply for rural areas and small communities. World Health Organization.
Citace podle Chicago (17th ed.)WAGNER, Edmund G., a J.N LANOIX. Water Supply for Rural Areas and Small Communities. Geneva: World Health Organization, 1959.
Citace podle MLA (9th ed.)WAGNER, Edmund G., a J.N LANOIX. Water Supply for Rural Areas and Small Communities. World Health Organization, 1959.
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