APA

Liu S., Zhang X., Wang Y., Li C., Liu Q., Han Z., Zhang Q., Kong X. & Tong G. (20090209). Evaluation of the protection conferred by commercial vaccines and attenuated heterologous isolates in China against the CK/CH/LDL/97I strain of infectious bronchitis coronavirus. : Veterinary journal (London, England : 1997).

Chicago

Liu Shengwang, Zhang Xiaonan, Wang Yu, Li Chengren, Liu Qiaoran, Han Zongxi, Zhang Qinxia, Kong Xiangang and Tong Guangzhi. 20090209. Evaluation of the protection conferred by commercial vaccines and attenuated heterologous isolates in China against the CK/CH/LDL/97I strain of infectious bronchitis coronavirus. : Veterinary journal (London, England : 1997).

Harvard

Liu S., Zhang X., Wang Y., Li C., Liu Q., Han Z., Zhang Q., Kong X. and Tong G. (20090209). Evaluation of the protection conferred by commercial vaccines and attenuated heterologous isolates in China against the CK/CH/LDL/97I strain of infectious bronchitis coronavirus. : Veterinary journal (London, England : 1997).

MLA

Liu Shengwang, Zhang Xiaonan, Wang Yu, Li Chengren, Liu Qiaoran, Han Zongxi, Zhang Qinxia, Kong Xiangang and Tong Guangzhi. Evaluation of the protection conferred by commercial vaccines and attenuated heterologous isolates in China against the CK/CH/LDL/97I strain of infectious bronchitis coronavirus. : Veterinary journal (London, England : 1997). 20090209.