National Research Council (U.S.). Transportation Research Board. (1998). Progress in transportation data 1998. National Academy Press.
Chicago Style (17th ed.) CitationNational Research Council (U.S.). Transportation Research Board. Progress in Transportation Data 1998. Washington, D.C: National Academy Press, 1998.
ציטוט MLANational Research Council (U.S.). Transportation Research Board. Progress in Transportation Data 1998. National Academy Press, 1998.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.