World Health Organization. (1997). Strategies for the prevention of blindness in national programmes: A primary health care approach (Second edition.). World Health Organization.
Чикаго стиль цитування (17-те видання)World Health Organization. Strategies for the Prevention of Blindness in National Programmes: A Primary Health Care Approach. Second edition. Geneva: World Health Organization, 1997.
Стиль цитування MLA (8-ме видання)World Health Organization. Strategies for the Prevention of Blindness in National Programmes: A Primary Health Care Approach. Second edition. World Health Organization, 1997.
Попередження: стилі цитування не завжди правильні на всі 100%.