United Nations Centre for Human Settlements & United Nations Environment Programme. (1997). Environmental planning and management (EPM) source book. United Nations Centre for Human Settlements : United Nations Environment Programme.
Чикаго стиль цитування (17-те видання)United Nations Centre for Human Settlements та United Nations Environment Programme. Environmental Planning and Management (EPM) Source Book. Nairobi, Kenya: United Nations Centre for Human Settlements : United Nations Environment Programme, 1997.
Стиль цитування MLA (9-ме видання)United Nations Centre for Human Settlements та United Nations Environment Programme. Environmental Planning and Management (EPM) Source Book. United Nations Centre for Human Settlements : United Nations Environment Programme, 1997.
Попередження: стилі цитування не завжди правильні на всі 100%.