MALIN David. (1991). CURRENT SCIENCE (J). CURRENT SCIENCE ASSOCIATION.
Dyfyniad Arddull ChicagoMALIN David. CURRENT SCIENCE (J). BANGLORE: CURRENT SCIENCE ASSOCIATION, 1991.
Dyfyniad MLAMALIN David. CURRENT SCIENCE (J). CURRENT SCIENCE ASSOCIATION, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.