Parker-Hannifin Corporation. Fluidpower Group. (1974). Fluid power 1. Parker-Hannifin Corporation.
Čikaški stil citiranja (17. izdanje)Parker-Hannifin Corporation. Fluidpower Group. Fluid Power 1. [Cleveland, Ohio]: Parker-Hannifin Corporation, 1974.
MLA način citiranja (8. izdanje)Parker-Hannifin Corporation. Fluidpower Group. Fluid Power 1. Parker-Hannifin Corporation, 1974.
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