刘忠超，盖晓华主编. (2019). 西门子S7-300/400 PLC编程入门及工程实例. 化学工业出版社.
Chicago Style (17th ed.) Citation刘忠超，盖晓华主编. 西门子S7-300/400 PLC编程入门及工程实例. 化学工业出版社, 2019.
MLA (8th ed.) Citation刘忠超，盖晓华主编. 西门子S7-300/400 PLC编程入门及工程实例. 化学工业出版社, 2019.
Warning: These citations may not always be 100% accurate.