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].
Cita Chicago (17th ed.)International Timber Engineering Conference Church House Conference Centre, Timber Research and Development Association, i Julian Marcroft. Proceedings of the 1991 International Timber Engineering Conference, Church House Conference Centre, London, United Kingdom, 2-5 September 1991. [London: TRADA], 1991.
Cita MLA (8th ed.)International 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.