Wu, G., Gao, G., Wei, W., & Yang, Z. (2019). The Electrical Contact of the Pantograph-Catenary System: Theory and Application (1st ed. 2019.). Springer Singapore : Imprint: Springer. https://doi.org/10.1007/978-981-13-6589-8
Παραπομπή σε μορφή Chicago (17η εκδ.)Wu, Guangning, Guoqiang Gao, Wenfu Wei, και Zefeng Yang. The Electrical Contact of the Pantograph-Catenary System: Theory and Application. 1st ed. 2019. Singapore: Springer Singapore : Imprint: Springer, 2019. https://doi.org/10.1007/978-981-13-6589-8.
Παραπομπή σε μορφή MLA (8th εκδ.)Wu, Guangning, et al. The Electrical Contact of the Pantograph-Catenary System: Theory and Application. 1st ed. 2019. Springer Singapore : Imprint: Springer, 2019. https://doi.org/10.1007/978-981-13-6589-8.
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