Transport and Road Research Laboratory & Watts, G. R. (1988). Traffic vibration and building damage: TRRL papers presented at Acoustics '87 : papers presented at the Institute of Acoustics Conference, Acoustics '87 at Portsmouth Polytechnic, 14-18th April 1987. Transport and Road Research Laboratory.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Transport and Road Research Laboratory و G. R. Watts. Traffic Vibration and Building Damage: TRRL Papers Presented at Acoustics '87 : Papers Presented at the Institute of Acoustics Conference, Acoustics '87 at Portsmouth Polytechnic, 14-18th April 1987. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Transport and Road Research Laboratory و G. R. Watts. Traffic Vibration and Building Damage: TRRL Papers Presented at Acoustics '87 : Papers Presented at the Institute of Acoustics Conference, Acoustics '87 at Portsmouth Polytechnic, 14-18th April 1987. Transport and Road Research Laboratory, 1988.