Morel, E. D. (1911). Nigeria: Its peoples and its problems. Smith, Elder.
Chicagoスタイル(17版)引用形式Morel, E. D. Nigeria: Its Peoples and Its Problems. London: Smith, Elder, 1911.
MLA(8版)引用形式Morel, E. D. Nigeria: Its Peoples and Its Problems. Smith, Elder, 1911.
警告: この引用は必ずしも正確ではありません.