APA (7e ed.) Bronvermelding

Mumford, A. J. (2011). Highway safety improvement efforts. Nova Science Publishers.

Chicago (17e ed.) Bronvermelding

Mumford, Alexander J. Highway Safety Improvement Efforts. New York: Nova Science Publishers, 2011.

MLA (8e ed.) Bronvermelding

Mumford, Alexander J. Highway Safety Improvement Efforts. Nova Science Publishers, 2011.

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