Hopp, V., & Hennig, I. (1983). Handbook of applied chemistry: : facts for engineers, scientists, technicians, and technical managers. Hemisphere Pub. Corp..
استشهاد بنمط شيكاغوHopp, Vollrath, و Ingo Hennig. Handbook of Applied Chemistry: : Facts for Engineers, Scientists, Technicians, and Technical Managers. Washington: Hemisphere Pub. Corp., 1983.
MLA استشهادHopp, Vollrath, و Ingo Hennig. Handbook of Applied Chemistry: : Facts for Engineers, Scientists, Technicians, and Technical Managers. Hemisphere Pub. Corp., 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.