توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

AKPAN , S. B., OKON, U. E., UDO, U. J., & AKPAKADEN, I. S. (2020). ANALYSIS OF INCOME INEQUALITY AND POVERTY INCIDENCE AMONG OIL PALM FARMERS IN AKWA IBOM STATE, NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

AKPAN , S. B., U. E. OKON, U. J. UDO, و I. S. AKPAKADEN. ANALYSIS OF INCOME INEQUALITY AND POVERTY INCIDENCE AMONG OIL PALM FARMERS IN AKWA IBOM STATE, NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

AKPAN , S. B., et al. ANALYSIS OF INCOME INEQUALITY AND POVERTY INCIDENCE AMONG OIL PALM FARMERS IN AKWA IBOM STATE, NIGERIA. The Faculty of Agriculture Obafemi Awolowo University, Ile-Ife, Nigeria, 2020.