Statistics, D. o. D. a. S. (2024). Labour Force- Theoretical Considerations. Department of Demography and Social Statistics, Obafemi Awolowo University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Statistics, Department of Demography and Social. Labour Force- Theoretical Considerations. Department of Demography and Social Statistics, Obafemi Awolowo University, 2024.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Statistics, Department of Demography and Social. Labour Force- Theoretical Considerations. Department of Demography and Social Statistics, Obafemi Awolowo University, 2024.
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