Sankhya Series B: Vol.35, 1973. Statistical Publishing Society.
Dyfyniad Arddull ChicagoSankhya Series B: Vol.35, 1973. Calcutta: Statistical Publishing Society.
Dyfyniad MLASankhya Series B: Vol.35, 1973. Statistical Publishing Society.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.