Simmons, J. (1955). Livingstone and Africa. English University Press.
シカゴスタイル引用形Simmons, Jack. Livingstone and Africa. London: English University Press, 1955.
MLA引用形式Simmons, Jack. Livingstone and Africa. English University Press, 1955.
警告: この引用は必ずしも正確ではありません.