Olarewaju, V. I. (2018). Rocks: Their Beauty, Language And Roles As Resources of Economic Development. Obafemi Awolowo University Press Limited.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Olarewaju, Victor I.O. Rocks: Their Beauty, Language And Roles As Resources of Economic Development. Obafemi Awolowo University Press Limited, 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Olarewaju, Victor I.O. Rocks: Their Beauty, Language And Roles As Resources of Economic Development. Obafemi Awolowo University Press Limited, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.