Mohd. Sobri Takriff. (1993). The effects of hydrogen sulfide and oxygen on the specific carbon monoxide uptake rate by Rhodospirillum rubrum in the conversion of synthesis gas to hydrogen (batch culture). University of Arkansas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohd. Sobri Takriff. The Effects of Hydrogen Sulfide and Oxygen on the Specific Carbon Monoxide Uptake Rate by Rhodospirillum Rubrum in the Conversion of Synthesis Gas to Hydrogen (batch Culture). Fayetteville, Arkansas: University of Arkansas, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohd. Sobri Takriff. The Effects of Hydrogen Sulfide and Oxygen on the Specific Carbon Monoxide Uptake Rate by Rhodospirillum Rubrum in the Conversion of Synthesis Gas to Hydrogen (batch Culture). University of Arkansas, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.