Colwill, D. M., Thompson, J. R., & Rutter, A. J. (1982). An assessment of the conditions for shrubs alongside motorways. Transport and Road Research Laboratory.
Chicago Style (17. basım) AtıfColwill, D. M., J. R. Thompson, ve A. J. Rutter. An Assessment of the Conditions for Shrubs Alongside Motorways. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1982.
MLA (9th ed.) AtıfColwill, D. M., et al. An Assessment of the Conditions for Shrubs Alongside Motorways. Transport and Road Research Laboratory, 1982.
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