(1969). Routledge's Decimal Ready Reckoner: With all computations from 1/2p to f2.00 and 40 other values of special importance for metrication conversions. London: Routledge & Kegan Paul.
Παραπομπή Chicago StyleRoutledge's Decimal Ready Reckoner: With All Computations From 1/2p to F2.00 and 40 Other Values of Special Importance for Metrication Conversions. London: Routledge & Kegan Paul, 1969.
Παραπομπή MLARoutledge's Decimal Ready Reckoner: With All Computations From 1/2p to F2.00 and 40 Other Values of Special Importance for Metrication Conversions. London: Routledge & Kegan Paul, 1969.
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