Metcalf, R. L. (1976). Future for insecticides: Needs and prospects V.6. Wiley Inter Sciences Publications.
Dyfyniad Arddull ChicagoMetcalf, R L. Future for Insecticides: Needs and Prospects V.6. London: Wiley Inter Sciences Publications, 1976.
Dyfyniad MLAMetcalf, R L. Future for Insecticides: Needs and Prospects V.6. Wiley Inter Sciences Publications, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.