Gentle, R., & Edwards, P. B. (2002). Mechanical engineering systems. Butterworth-Heinemann.
استشهاد بنمط شيكاغوGentle, Richard, و Peter Bolton Edwards. Mechanical Engineering Systems. Oxford: Butterworth-Heinemann, 2002.
MLA استشهادGentle, Richard, و Peter Bolton Edwards. Mechanical Engineering Systems. Butterworth-Heinemann, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.