Ridzwan Hashim. (1976). An evaluation of the feeding value of ground rice hulls treated with various levels of mixed cellulases. University of Arkansas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ridzwan Hashim. An Evaluation of the Feeding Value of Ground Rice Hulls Treated with Various Levels of Mixed Cellulases. Fayetteville, Ark.: University of Arkansas, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ridzwan Hashim. An Evaluation of the Feeding Value of Ground Rice Hulls Treated with Various Levels of Mixed Cellulases. University of Arkansas, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.