Tongson, M. S. (1977). Epidemiology of bovine parasitic gastro-enteritis in the Philippines. University of the Philippines Press.
Dyfyniad Arddull ChicagoTongson, Mario S. Epidemiology of Bovine Parasitic Gastro-enteritis in the Philippines. Quezon City: University of the Philippines Press, 1977.
Dyfyniad MLATongson, Mario S. Epidemiology of Bovine Parasitic Gastro-enteritis in the Philippines. University of the Philippines Press, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.