Industrial Exhibitions Limited. (1972). Instruments, electronics, automation. London: Industrial Exhibitions Limited.
استشهاد بنمط شيكاغوIndustrial Exhibitions Limited. Instruments, Electronics, Automation. London: Industrial Exhibitions Limited, 1972.
MLA استشهادIndustrial Exhibitions Limited. Instruments, Electronics, Automation. London: Industrial Exhibitions Limited, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.