Koning, H. d. (1987). Setting environmental standars: Guidelines for decision-making. Geneva: WHO.
Citación estilo ChicagoKoning, H.W de. Setting Environmental Standars: Guidelines for Decision-making. Geneva: WHO, 1987.
Cita MLAKoning, H.W de. Setting Environmental Standars: Guidelines for Decision-making. Geneva: WHO, 1987.
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