West, R. (1970). Back to Africa; A History of Sierra Leone and Liberia. Richard West.
シカゴスタイル引用形West, Richard. Back to Africa; A History of Sierra Leone and Liberia. London: Richard West, 1970.
MLA引用形式West, Richard. Back to Africa; A History of Sierra Leone and Liberia. Richard West, 1970.
警告: この引用は必ずしも正確ではありません.