Liu, W. (1998). A study of nitrogen and phosphorus removal from municipal sewage in SBR with the application of the Taguchi methods in experimental design.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Liu, Wenxin. A Study of Nitrogen and Phosphorus Removal from Municipal Sewage in SBR with the Application of the Taguchi Methods in Experimental Design. 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Liu, Wenxin. A Study of Nitrogen and Phosphorus Removal from Municipal Sewage in SBR with the Application of the Taguchi Methods in Experimental Design. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.