Yu, J., Zhang, T., & Qian, J. (2011). Electrical motor products: International energy - efficiency standards and testing methods. Woodhead publishing.
استشهاد بنمط شيكاغوYu, Jianfeng, Ting Zhang, و Jianming Qian. Electrical Motor Products: International Energy - Efficiency Standards and Testing Methods. Cambridge: Woodhead publishing, 2011.
MLA استشهادYu, Jianfeng, et al. Electrical Motor Products: International Energy - Efficiency Standards and Testing Methods. Woodhead publishing, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.