(1964). Principles and patterns of numeration systems.
Dyfyniad Arddull ChicagoPrinciples and Patterns of Numeration Systems. 1964.
Dyfyniad MLAPrinciples and Patterns of Numeration Systems. 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.