APA (7e ed.) Bronvermelding

National Cooperative Highway Research Program. Summary of progress - National Cooperative Highway Research Program 2005. Highway Research Board, National Research Council.

Chicago (17e ed.) Bronvermelding

National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2005. [Washington]: Highway Research Board, National Research Council.

MLA (9e ed.) Bronvermelding

National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2005. Highway Research Board, National Research Council.

Let op: Deze citaties zijn niet altijd 100% accuraat.