Gannon, R. (1991). Best science writing: Readings and insights. Oryx Press.
Dyfyniad Arddull ChicagoGannon, Robert. Best Science Writing: Readings and Insights. Phoenix, AZ: Oryx Press, 1991.
Dyfyniad MLAGannon, Robert. Best Science Writing: Readings and Insights. Oryx Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.