Murray, D. (1973). Introduction course in Dtlerentiral eguation (1st.). Longman.
Dyfyniad Arddull ChicagoMurray, Daniel. Introduction Course in Dtlerentiral Eguation. 1st. Calcutta: Longman, 1973.
Dyfyniad MLAMurray, Daniel. Introduction Course in Dtlerentiral Eguation. 1st. Longman, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.