Citação norma APA

World Health Organization. (2006). Guidelines for safe recreational water environmnets: Swimming pools and similar environments. World Health organization.

Citação norma Chicago

World Health Organization. Guidelines for Safe Recreational Water Environmnets: Swimming Pools and Similar Environments. Geneva: World Health organization, 2006.

Citação norma MLA

World Health Organization. Guidelines for Safe Recreational Water Environmnets: Swimming Pools and Similar Environments. World Health organization, 2006.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.