Keshkamat, V. V. (1975). Foreign Exchange Arithmetic. Vivek.
Dyfyniad Arddull ChicagoKeshkamat, V V. Foreign Exchange Arithmetic. Bombay: Vivek, 1975.
Dyfyniad MLAKeshkamat, V V. Foreign Exchange Arithmetic. Vivek, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.