周国强 & 张青. (2010). 环境保护与可持续发展概论: Introduction to the environmental protection and sustainable development. 中国环境科学出版社.
Chicago Style (17th ed.) Citation周国强 i 张青. 环境保护与可持续发展概论: Introduction to the Environmental Protection and Sustainable Development. 中国环境科学出版社, 2010.
Cita MLA周国强 i 张青. 环境保护与可持续发展概论: Introduction to the Environmental Protection and Sustainable Development. 中国环境科学出版社, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.