Transportation Journal. Penn State University Press.
Chicago Style (17th ed.) CitationTransportation Journal. Penn State University Press.
ציטוט MLATransportation Journal. Penn State University Press.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.
Transportation Journal. Penn State University Press.
Chicago Style (17th ed.) CitationTransportation Journal. Penn State University Press.
ציטוט MLATransportation Journal. Penn State University Press.