Nwigwe, K. U. (2015). Comparative Petrophysical Study of Reservoir Sandstones in the "U", "K" And "N" Fields, South-East of the Niger Delta.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nwigwe, Kingsley Uzochukwu. Comparative Petrophysical Study of Reservoir Sandstones in the "U", "K" And "N" Fields, South-East of the Niger Delta. 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Nwigwe, Kingsley Uzochukwu. Comparative Petrophysical Study of Reservoir Sandstones in the "U", "K" And "N" Fields, South-East of the Niger Delta. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.