Tohutoro APA (7th ed.)
Steel, R. W., & Johnson, C. (2001). Sierra Leone, 1938: Journey through a vanished world. Ituri.
Tohutoru Kātū Chicago (17th ed.)
Steel, Robert W., me Colin Johnson. Sierra Leone, 1938: Journey Through a Vanished World. Banbury, Oxon: Ituri, 2001.
Tohutoro MLA (9th ed.)
Steel, Robert W., me Colin Johnson. Sierra Leone, 1938: Journey Through a Vanished World. Ituri, 2001.
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