Training System for AUtomation and Comunication. (1995). Electrohydraulics. Workbook Basic Level.Sách photocopy. (In lần thứ 1.). Esslingen: Festo Didactic.
Chicago-tyylinen lähdeviittausTraining System for AUtomation and Comunication. Electrohydraulics. Workbook Basic Level.Sách Photocopy. In lần thứ 1. Esslingen: Festo Didactic, 1995.
MLA-viiteTraining System for AUtomation and Comunication. Electrohydraulics. Workbook Basic Level.Sách Photocopy. In lần thứ 1. Esslingen: Festo Didactic, 1995.
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