National Cooperative Highway Research Program & Berger, R. L. (2005). Integrated roadside vegetation management. Transportation Research Board, National Research Council.
Chicago (17e ed.) BronvermeldingNational Cooperative Highway Research Program en Robert L. Berger. Integrated Roadside Vegetation Management. Washington, D.C: Transportation Research Board, National Research Council, 2005.
MLA (9e ed.) BronvermeldingNational Cooperative Highway Research Program en Robert L. Berger. Integrated Roadside Vegetation Management. Transportation Research Board, National Research Council, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.