Aberdeen), O. E. C. (. :., & Engineers, S. o. P. (1991). Offshore Europe Conference, 3-6 September 1990, Aberdeen: Proceedings. RRichardson,TX : SPE.
Chicago-čujuhus (17. p.)Aberdeen), Offshore Europe Conference (1991 :, juo Society of Petroleum Engineers. Offshore Europe Conference, 3-6 September 1990, Aberdeen: Proceedings. RRichardson,TX : SPE, 1991.
MLA-čujuhus (9. p.)Aberdeen), Offshore Europe Conference (1991 :, juo Society of Petroleum Engineers. Offshore Europe Conference, 3-6 September 1990, Aberdeen: Proceedings. RRichardson,TX : SPE, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.