Natural Research Council, chemical utilization of coal (Committe on-). Chemistry of coal utilization. John Wiley & Sons.
استشهاد بنمط شيكاغوNatural Research Council, chemical utilization of coal (Committe on-). Chemistry of Coal Utilization. New York: John Wiley & Sons.
MLA استشهادNatural Research Council, chemical utilization of coal (Committe on-). Chemistry of Coal Utilization. John Wiley & Sons.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.