APA-čujuhus (7. p.)
Hill, A. D., Zhu, D., & Economides, M. J. (2008). Multilateral wells. Society of Petroleum Engineers.
Chicago-čujuhus (17. p.)
Hill, A. D., Ding Zhu, juo Michael J. Economides. Multilateral Wells. Richardson, TX: Society of Petroleum Engineers, 2008.
MLA-čujuhus (9. p.)
Hill, A. D., et al. Multilateral Wells. Society of Petroleum Engineers, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.