World Health Organization. (2006). Guidelines for safe recreational water environmnets: Swimming pools and similar environments. World Health organization.
Chicago Style (17th ed.) CitationWorld Health Organization. Guidelines for Safe Recreational Water Environmnets: Swimming Pools and Similar Environments. Geneva: World Health organization, 2006.
ציטוט MLAWorld Health Organization. Guidelines for Safe Recreational Water Environmnets: Swimming Pools and Similar Environments. World Health organization, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.