Frere, B. (1881). The union of the various portions of British South Africa. Sampson Law, Marston, Searle & Rivington.
Chicago-referens (17:e uppl.)Frere, Bartle. The Union of the Various Portions of British South Africa. London: Sampson Law, Marston, Searle & Rivington, 1881.
MLA-referens (8:e uppl.)Frere, Bartle. The Union of the Various Portions of British South Africa. Sampson Law, Marston, Searle & Rivington, 1881.
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