Costello, D. F., & Kipple, G. (1960). Vegetation cattle responses to different intesities of grazing on short-grass range on central great plains. United States Department of Agriculture.
Chicago (17e ed.) BronvermeldingCostello, David F., en G.E Kipple. Vegetation Cattle Responses to Different Intesities of Grazing on Short-grass Range on Central Great Plains. Washington, D.C.: United States Department of Agriculture, 1960.
MLA (9e ed.) BronvermeldingCostello, David F., en G.E Kipple. Vegetation Cattle Responses to Different Intesities of Grazing on Short-grass Range on Central Great Plains. United States Department of Agriculture, 1960.
Let op: Deze citaties zijn niet altijd 100% accuraat.