Officer, Lawrence H. and Samuel H. Williamson, “Five Ways to Compute the Relative Value of a UK Pound Amount, 1270 to Present,” measuringworth.com, 2017.
↑ Усе пераклады разлічваюцца па сістэме RPI basis per Measuringworth «Five Ways to Compute the Relative Value of a UK Pound Amount, 1830 to Present», MeasuringWorth.com.