Lavers, G. M. (1969). The strength properties of timbers (2nd ed.). Her Majesty's Stationery Office.
Chicago Style (17th ed.) CitationLavers, Gwendoline M. The Strength Properties of Timbers. 2nd ed. London: Her Majesty's Stationery Office, 1969.
ציטוט MLALavers, Gwendoline M. The Strength Properties of Timbers. 2nd ed. Her Majesty's Stationery Office, 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.