Ikpo, E. D., & Falade, J. (2014). Spatial Interaction in an Urban-rural Setting: A Case Study of Agbor and its Rural Environs. Obafemi Awolowo University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ikpo, Eugene Dike, و J.B Falade. Spatial Interaction in an Urban-rural Setting: A Case Study of Agbor and Its Rural Environs. Obafemi Awolowo University, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ikpo, Eugene Dike, و J.B Falade. Spatial Interaction in an Urban-rural Setting: A Case Study of Agbor and Its Rural Environs. Obafemi Awolowo University, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.