International Timber Engineering Conference Church House Conference Centre, Timber Research and Development Association, & Marcroft, J. (1991). Proceedings of the 1991 International Timber Engineering Conference, Church House Conference Centre, London, United Kingdom, 2-5 September 1991. TRADA].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Timber Engineering Conference Church House Conference Centre, Timber Research and Development Association, और Julian Marcroft. Proceedings of the 1991 International Timber Engineering Conference, Church House Conference Centre, London, United Kingdom, 2-5 September 1991. [London: TRADA], 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Timber Engineering Conference Church House Conference Centre, et al. Proceedings of the 1991 International Timber Engineering Conference, Church House Conference Centre, London, United Kingdom, 2-5 September 1991. TRADA], 1991.