Yu, J., Zhang, T., & Qian, J. (2011). Electrical motor products: International energy - efficiency standards and testing methods. Woodhead publishing.
शिकागो स्टाइल उद्धरणYu, Jianfeng, Ting Zhang, और Jianming Qian. Electrical Motor Products: International Energy - Efficiency Standards and Testing Methods. Cambridge: Woodhead publishing, 2011.
एमएलए उद्धरणYu, Jianfeng, et al. Electrical Motor Products: International Energy - Efficiency Standards and Testing Methods. Woodhead publishing, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.