Bidwell, R. L. (1970). Currency conversion tables: A hundred years of change. Rex Collings.
Citación estilo ChicagoBidwell, Robin Leonard. Currency Conversion Tables: A Hundred Years of Change. London: Rex Collings, 1970.
Cita MLABidwell, Robin Leonard. Currency Conversion Tables: A Hundred Years of Change. Rex Collings, 1970.
Warning: These citations may not always be 100% accurate.