Sheng, J. H., Zhang, Y. P., Zheng, G. X., & Engineering, S. o. E. a. E. (2009). Radio propagation at 900 MHz in underground coal mines.
استشهاد بنمط شيكاغوSheng, J. H., Yue Ping Zhang, Guo Xin Zheng, و School of Electrical and Electronic Engineering. Radio Propagation At 900 MHz in Underground Coal Mines. 2009.
MLA استشهادSheng, J. H., Yue Ping Zhang, Guo Xin Zheng, و School of Electrical and Electronic Engineering. Radio Propagation At 900 MHz in Underground Coal Mines. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.