Citazione Stile APA (7a Edizione)
The Open University. (2007). Environmental control and public health: Block 3 water pollution control. The Open University.
Citazione stile Chigago Style (17a edizione)
The Open University. Environmental Control and Public Health: Block 3 Water Pollution Control. United Kingdom: The Open University, 2007.
Citatione MLA (9a ed.)
The Open University. Environmental Control and Public Health: Block 3 Water Pollution Control. The Open University, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.