Uppal, S. (2018). Electrical Wiring Estimating and Costing (6.). Khanna Publisher.
芝加哥风格引文Uppal, S.L. Electrical Wiring Estimating and Costing. 6. New Delhi: Khanna Publisher, 2018.
MLA引文Uppal, S.L. Electrical Wiring Estimating and Costing. 6. Khanna Publisher, 2018.
警告：这些引文格式不一定是100％准确.