Brennan, J., & Nelik, L. (2005). Gulf Pump Guides: Progressing Cavity Pumps, Downhole Pumps & Mudmotors. Gulf Professional Publishing.
Cita Chicago Style (17a ed.)Brennan, Jim, y Lev Nelik. Gulf Pump Guides: Progressing Cavity Pumps, Downhole Pumps & Mudmotors. Gulf Professional Publishing, 2005.
Cita MLA (8a ed.)Brennan, Jim, y Lev Nelik. Gulf Pump Guides: Progressing Cavity Pumps, Downhole Pumps & Mudmotors. Gulf Professional Publishing, 2005.
Precaución: Estas citas no son 100% exactas.