Timber in Temporary Works Group. (1981). Timber in excavations. Timber Research and Development Association.
Chicago Style (17th ed.) CitationTimber in Temporary Works Group. Timber in Excavations. High Wycombe: Timber Research and Development Association, 1981.
MLA (9th ed.) CitationTimber in Temporary Works Group. Timber in Excavations. Timber Research and Development Association, 1981.
Warning: These citations may not always be 100% accurate.