Dyfyniad APA

Katherine Glover. (1939). America begins again: The conquest of waste in our natural resources. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Katherine Glover. America Begins Again: The Conquest of Waste in Our Natural Resources. New York: McGraw-Hill, 1939.

Dyfyniad MLA

Katherine Glover. America Begins Again: The Conquest of Waste in Our Natural Resources. New York: McGraw-Hill, 1939.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.