Lavers, G. M. (1969). The strength properties of timbers (2nd ed.). Her Majesty's Stationery Office.
Chicago-referens (17:e uppl.)Lavers, Gwendoline M. The Strength Properties of Timbers. 2nd ed. London: Her Majesty's Stationery Office, 1969.
MLA-referens (9:e uppl.)Lavers, Gwendoline M. The Strength Properties of Timbers. 2nd ed. Her Majesty's Stationery Office, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.