Ritchie, J. E. (1876). The life and discoveries of David Livingstone (The pictorial edition.). James Sangster and Co..
Chicago-referens (17:e uppl.)Ritchie, J. Ewing. The Life and Discoveries of David Livingstone. The pictorial edition. London: James Sangster and Co., 1876.
MLA-referens (8:e uppl.)Ritchie, J. Ewing. The Life and Discoveries of David Livingstone. The pictorial edition. James Sangster and Co., 1876.
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