APA-čujuhus (7. p.)
Beverly, R. P. (2009). Pump selection and troubleshooting field guide. American Water Works Association.
Chicago-čujuhus (17. p.)
Beverly, Richard P. Pump Selection and Troubleshooting Field Guide. Denver, Colo.: American Water Works Association, 2009.
MLA-čujuhus (9. p.)
Beverly, Richard P. Pump Selection and Troubleshooting Field Guide. American Water Works Association, 2009.
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