Buhari, M. (2020). Speeches delivered at 43rd Convocation Ceremony. Obafemi Awolowo University Press.
Chicagoスタイル(17版)引用形式Buhari, Muhammadu. Speeches Delivered at 43rd Convocation Ceremony. Obafemi Awolowo University Press, 2020.
MLA(9版)引用形式Buhari, Muhammadu. Speeches Delivered at 43rd Convocation Ceremony. Obafemi Awolowo University Press, 2020.
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