Citação APA (7ª ed.)
The Open University. (2007). Environmental control and public health: Block 3 water pollution control. The Open University.
Citação do estilo Chicago (17ª ed.)
The Open University. Environmental Control and Public Health: Block 3 Water Pollution Control. United Kingdom: The Open University, 2007.
Citação MLA (9ª ed.)
The Open University. Environmental Control and Public Health: Block 3 Water Pollution Control. The Open University, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.