APA:Bounthavy Vongkhamchanh, TR Preston, RA Leng, LV An, Duong Thanh Hai. (Volume-30, Issue-9 -(Year-2018)). Effect of biochar on growth performance of local “Yellow†cattle fed ensiled cassava roots, fresh brewers’ grains and rice straw. Retrieved from http://www.lrrd.org/lrrd30/9/bobby30168.html
Chicago:Bounthavy Vongkhamchanh, TR Preston, RA Leng, LV An, Duong Thanh Hai. "Effect of biochar on growth performance of local “Yellow†cattle fed ensiled cassava roots, fresh brewers’ grains and rice straw" Example, Volume-30-issue-9-Year-2018-0121-3784. http://www.lrrd.org/lrrd30/9/bobby30168.html.