Pecsok, R. L. (1975). Chemical Technician Curriculam Project Writing Team. Chemical Technology Handbook. American Chemical Society.
استشهاد بنمط شيكاغوPecsok, Robert L. Chemical Technician Curriculam Project Writing Team. Chemical Technology Handbook. Washington: American Chemical Society, 1975.
MLA استشهادPecsok, Robert L. Chemical Technician Curriculam Project Writing Team. Chemical Technology Handbook. American Chemical Society, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.