APA引文
The Open University. (2007). Environmental control and public health: Block 3 water pollution control. The Open University.
芝加哥风格引文
The Open University. Environmental Control and Public Health: Block 3 Water Pollution Control. United Kingdom: The Open University, 2007.
MLA引文
The Open University. Environmental Control and Public Health: Block 3 Water Pollution Control. The Open University, 2007.
警告：这些引文格式不一定是100％准确.