Moohr, M. W. (1971). Patterns of change in an export economy: British Guiana, 1830-1914. University of Cambridge.
Lua i Stíl Chicago (17ú heag.)Moohr, Michael William. Patterns of Change in an Export Economy: British Guiana, 1830-1914. University of Cambridge, 1971.
Lua MLA (8ú heag.)Moohr, Michael William. Patterns of Change in an Export Economy: British Guiana, 1830-1914. University of Cambridge, 1971.
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