Cho, E. K. (2010). Natural gas markets and lessons learned. New York: Nova Science Publishers.
Чикагска система за цитиранеCho, E. K. Natural Gas Markets and Lessons Learned. New York: Nova Science Publishers, 2010.
MLA формат за цитиранеCho, E. K. Natural Gas Markets and Lessons Learned. New York: Nova Science Publishers, 2010.
Внимание: Тези цитати може да не са 100% точни.