Perserikatan Bangsa Bangsa. (2002). Pedoman hidup sehat. New York :: United Nations Children's Fund,.
Perserikatan Bangsa Bangsa. Pedoman hidup sehat. New York :: United Nations Children's Fund,, 2002
Perserikatan Bangsa Bangsa. Pedoman hidup sehat. New York :: United Nations Children's Fund,, 2002.