South Africa. Dept. of National Health and Population Development. (1988). Fly plague: A manual (2nd ed.). Dept. of National Health and Population Development.
Dyfyniad Arddull ChicagoSouth Africa. Dept. of National Health and Population Development. Fly Plague: A Manual. 2nd ed. Pretoria: Dept. of National Health and Population Development, 1988.
Dyfyniad MLASouth Africa. Dept. of National Health and Population Development. Fly Plague: A Manual. 2nd ed. Dept. of National Health and Population Development, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.