Roscoe, J. Twenty-five years in east africa. Cambridge university press.
Chicagoスタイル(17版)引用形式Roscoe, John. Twenty-five Years in East Africa. Cambridge university press.
MLA(8版)引用形式Roscoe, John. Twenty-five Years in East Africa. Cambridge university press.
警告: この引用は必ずしも正確ではありません.