Gaya APA

Yang, W, M, S, G, L, Z, C. (2007). A two region simulation model of vertical U tube ground heat exchanger and its experimental verification (27). China: .

Gaya MLA

Yang, Weibo,, Mingheng, Shi,, Guangyuan, Liu,, Zhenqian, Chen. "A two region simulation model of vertical U tube ground heat exchanger and its experimental verification". 27 China: , 2007. Artikel.